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The Solar System


DESCRIPTION: The fourth of four pages on The Solar System (one of the Field Nodes comprising the subject tree of The Telson Spur), this page is a list of links to on-line resources on small bodies (asteroids, comets, and meteors). The coordinate pages, with a common header and List of Contents, contain links to on-line resources on the study of the solar system in general (including solar physics and planetary science), on the planets, and on the study of the Earth as a planet (including Earth observation and lunar science).

KEYWORDS: small body; Kuiper Belt; Oort Cloud; TNO; trans-Neptunian object; plutino; asteroid; comet; meteoroid; meteor; meteorite; meteoritics; near-earth objects; NEO; impact; astrobleme; crater


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[Up] [Down] List of Contents
  1. The Solar System - General

  2. The Sun

  3. Origin and Evolution of the Solar System

  4. The Planets of the Solar System
    Mercury
    Venus
    Mars
    Jupiter
    Saturn
    Uranus
    Neptune
    Pluto

  5. Earth as a Planet
    Earth Observation
    The Moon

  6. Small Bodies
    Kuiper Belt and Oort Cloud
    Asteroids
    Comets
    Meteors and Meteorites
    NEOs, SB Impact, and Astroblemes


[Up]

Small Bodies

Kuiper Belt and Oort Cloud
Asteroids
Comets
Meteors and Meteorites
NEOs, SB Impact, and Astroblemes


Asteroid/Comet Connection (Bill Allen, HohmannTransfer.com)
Asteroids and Comets (NSSDC)
Asteroids, Comets, and NASA Research (NASA Fact Sheet)
Cartography of Non-Spherical Worlds (Philip J. Stooke)
Catalogue of Planetary Objects. Version 2006.0 (O. V. Zakhozhay et al., astro-ph/0607184, 10 Jul 2006)
CBAT/MPC/ICQ Index
Combined Scanning Electron Microscope and Micro-InfraRed measurements on Interplanetary Dust Particles (Alessandro Aronica et al., astro-ph/0702397, 14 Feb 2007)
Comets & Meteors Showers (Gary W. Kronk)
Cosmic Dust (Scott Messenger)
David Jewitt's Home Page (David C. Jewitt, IfA)
Densities of Solar System Objects from their Rotational Lightcurves (Pedro Lacerda & David Jewitt, astro-ph/0612237, 8 Dec 2006)
Dusty Links (Amara Graps at MPI-K)
Dynamical Zodiacal Cloud Models Constrained by High Resolution Spectroscopy of the Zodiacal Light (Sergei I. Ipatov et al., astro-ph/0608141, 7 Aug 2006)
Ephemerides and Orbital Elements (CfA Planetary Sciences Division)
Heidelberg Cosmic Dust Group (Max Planck Institute)

IAU Commission 15
Images of Asteroid and Comets (NASA Planetary Photojournal, JPL)
Interstellar Dust in the Solar System (Harald Krueger et al., arXiv:0706.3110v1 [astro-ph], 21 Jun 2007)
Irregular Satellites of the Planets (Dave Jewitt et al., Hawaii Irregular Satellite Survey)
JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory)
Meteoritical and dynamical constraints on the growth mechanisms and formation times of asteroids and Jupiter (Edward R. D. Scott, astro-ph/0607317, 13 Jul 2006)
Meteor Showers from the Debris of Broken Comets (P. Jenniskens & E. Lyytinen, Astronomical J., Sep 2005) PDF
Migration of dust particles to the terrestrial planets (Sergei I. Ipatov & J. C. Mather, astro-ph/0606434, 18 Jun 2006)
NearEarth.net | Comets, Meteors, & Asteroids
On the low-mass planethood criterion (Bojan Pecnik & Christopher Broeg, astro-ph/0608367, 17 Aug 2006)
Orbital Elements for Software Packages
Orbit Diagrams
OrbitViewer (Osamu Ajiki & Ron Baalke)
Outer irregular satellites of the planets and their relationship with asteroids, comets and Kuiper Belt objects (Scott S. Sheppard et al., astro-ph/0605041, 1 May 2006)
PDS Small Bodies Node (NASA Planetary Data System)
Planetesimals To Brown Dwarfs: What is a Planet? (Gibor Basri & Michael E. Brown, astro-ph/0608417, 20 Aug 2006)
Remote Sensing of Comets and Asteroids (L. A. McFadden, 1995)
Sample Return from Small Solar System Bodies
Small Bodies (JPL Welcome to the Planets)
-- McGill EPS Mirror
Small Bodies: Asteroids and Comets (MSSS)

Small Bodies in the Solar System (Bill Arnett, The Nine Planets)
Small Body System Query Page (NASA's Planetary Photojournal, JPL)
-- DLR Mirror
-- USGS Mirror
Small World Atlas (Philip J. Stooke, University of Western Ontario)
Solar System Fluff (Nick Strobel, Astronomy Notes)
-- Contents
Stooke Small Bodies Maps (Philip J. Stooke)
The Threat and Promise of Asteroids and Comets (Alex Michael Bonnici)
Various Lists and Plots
What is a Planet? (Gibor Basri, 1999)
What is a planet? (Steven Soter, astro-ph/0608359, 16 Aug 2006)
What Is a Planet? (Steven Soter, Scientific American, Jan 2007)
Yahoo! - Comets, Meteors, and Asteroids

[Up]

Kuiper Belt and Oort Cloud


For Pluto and Charon, see Pluto.

The Albedo, Size, and Density of Binary Kuiper Belt Object (47171) 1999 TC36 (J. A. Stansberry et al., astro-ph/0602316, 14 Feb 2006)
Binaries in the Kuiper Belt (Keith S. Noll et al., astro-ph/0703134, 7 Mar 2007)
A Brief History of Trans-Neptunian Space (Eugene Chiang et al., astro-ph/0601654, 27 Jan 2006, revised)
Centaurs and Scattered-Disk Objects, List Of (Minor Planet Center)
CFEPS (The Canada France Ecliptic Plane Survey)
Chiron Information and Documentation
(Patrick Vanouplines, Astronomy VUB)
Detectability of Occultation of Stars by Objects in the Kuiper Belt and Oort Cloud (Taryn C. Nihei et al., astro-ph/0703460, 19 Mar 2007)
A Detection Method for Small Kuiper Belt Objects: The Search for Stellar Occultations (Françoise Roques & Michel Moncuquet, Paris Observatory)
Detection of methane on Kuiper Belt Object (50000) Quaoar (Emily L. Schaller & M. E. Brown, arXiv:0710.3591v1 [astro-ph], 18 Oct 2007)
Detection of Six Transneptunian Binaries with NICMOS: A High Fraction of Binaries in the Cold Classical Disk (Denise Stephens, astro-ph/0510130, 5 Oct 2005)
Discovery of a Binary Centaur (Keith S. Noll et al., astro-ph/0605606, 23 May 2006)
The Discovery of Eris (Michael Brown, Astrobiology Magazine, 1 Mar 2007)
Discovery of a planetary-sized object in the scattered Kuiper belt (Michael E. Brown et al., astro-ph/0508633, 30 Aug 2005)
Distant EKOs: The Kuiper Belt Electronic Newsletter (Joel Parker)
A Distant Planetary-Mass Solar Companion May Have Produced Distant Detached Objects (Rodney S. Gomes et al., Observatorio Nacional, Rio de Janeiro, 26 Jul 2006) PDF
The Diverse Solar Phase Curves of Distant Icy Bodies. Part I: Photometric Observations of 18 Trans-Neptunian Objects, 7 Centaurs, and Nereid (David L. Rabinowitz et al., astro-ph/0605745, 31 May 2006)
Dynamical models of Kuiper Belt dust in the inner and outer Solar System (Amaya Moro-Martin & Renu Malhotra, Astrophysical J 125:1255, 2003; astro-ph/0506703, 28 Jun 2005)
Eris (2003 UB313), the 10th planet largest known dwarf planet, The discovery of (Michael E. Brown)
Exploring the Outer Solar System: In Search of Trans-Neptunian Objects (Marc W. Buie, Lowell Observatory)
Exploring the surface properties of Transneptunian Objects and Centaurs with polarimetric FORS1/VLT observations (Stefano Bagnulo et al., astro-ph/0601414, 19 Jan 2006)
Extra-Solar Kuiper Belt Dust Disks (Amaya Moro-Martin et al., astro-ph/0703383, 15 Mar 2007)
Formation and Collisional Evolution of Kuiper Belt Objects (Scott J. Kenyon et al., arxiv.org/abs/0704.0259, 2 Apr 2007)
Hunting Distant Dwarfs (Michael Brown, Astrobiology Magazine, 26 Feb 2007)
Is Pluto a giant comet? (Dan Green)
Kuiper Belt (David Jewitt)
The Kuiper Belt (Jane X. Luu & David C. Jewitt, Scientific American 274:5:46-52, May 1996)
The Kuiper Belt and Beyond (New Horizons)
The Kuiper Belt and Its Primordial Sculpting (A. Morbidelli et al., Earth, Moon and Planets 92:1-27, 2003) PDF
The Kuiper Belt and The Oort Cloud (Bill Arnett, Nine Planets)
Kuiper Belt Objects (Calvin J. Hamilton)
Kuiper Belt Object Studies (Donald R. Davis et al., PSI)
Kuiper Binary Object Formation (R. C. Nazzario et al., astro-ph/0507149, 6 Jul 2005)
Naming of Planets & Sedna (IAU Frequently Asked Questions)
Neptune's Migration into a Stirred-Up Kuiper Belt: A Detailed Comparison of Simulations to Observations (Joseph M. Hahn & Renu Malhotra, astro-ph/0507319, 13 Jul 2005)
New Horizons | A Pluto-Kuiper Belt Mission Study
New Horizons: Shedding Light on Frontier Worlds (SwRI's New Horizons Science Team Web Site)

On the Dynamics of Resonant Kuiper Belt Objects (Ing-Guey Jiang & Li-Chen Yeh, astro-ph/0701807, 29 Jan 2007)
The Oort Cloud (Rosanna L. Hamilton)
Oort Cloud References (Robert J. Bradbury)
Photometric Observations Constraining the Size, Shape, and Albedo of 2003 El61, a Rapidly Rotating, Pluto-Sized Object in the Kuiper Belt (David L. Rabinowitz et al., astro-ph/0509401, 14 Sep 2005)
Physical effects of collisions in the Kuiper belt (Zoe M. Leinhardt et al., arXiv:0705.3943v1 [astro-ph], 27 May 2007)
Physical Properties of Kuiper Belt and Centaur Objects: Constraints from Spitzer Space Telescope (John Stansberry et al., astro-ph/0702538, 20 Feb 2007)
Physical Properties of Trans-Neptunian Object (20000) Varuna (David C. Jewitt & Scott S. Sheppard, Astronomical J 123:2110-20, Apr 2002) PDF
Pioneer Anomaly and the Kuiper Belt mass distribution (Orfeu Bertolami & P. Viera, astro-ph/0506330, 15 Jun 2005)
The Plutinos (Dave Jewitt)
Pluto-Kuiper Express (JPL)
Pluto, perception & planetary politics (David Jewitt & Jane X. Luu, Daedalus, Winter 2007) PDF
PlutoToday.com | Pluto, Charon, and other Kuiper Belt Objects
(SpaceRef)
Quaoar, Frequently Asked Questions About (Chad Trujillo)
Questioning Dwarfs (Michael Brown, Astrobiology Magazine, 8 Mar 2007)
Recovery/Discovery of Trans-Neptunian Objects (TNOs) and Centaurs (Christian Veillet)
Rocks twirl in remote two-step (Philip Ball, Nature Science Update, 18 Apr 2002)
Save the Pluto Kuiper Express (Ted A. Nichols II)
Search for Small Trans-Neptunian Objects by the TAOS Project (Wen-Ping Chen et al., astro-ph/0611527, 16 Nov 2006)
Sedna | 2003 VB12 (Michael E. Brown)
Size and Albedo of Kuiper Belt Object (20000) Varuna
(David C. Jewitt et al.)
Solar System: Sifting through the debris (Asantha R. Cooray, astro-ph/0608239, 11 Aug 2006)
The Status of Pluto (M. F. A'Hearn, IAU Division III)
Studying Dwarf Planets (Michael Brown, Astrobiology Magazine, 5 Mar 2007)
The Surface of 2003EL61 in the Near Infrared (Chadwick A. Trujillo et al., astro-ph/0601618, 26 Jan 2006)
TAOS Census of Kuiper Comets (Taiwan-America Occultation Survey)
Three-Body Affairs in the Outer Solar System (Yoko Funato et al., astro-ph/0512075, 3 Dec 2005)
Transneptunian Objects, List Of (Minor Planet Center)
2003 EL61 (Michael E. Brown)
2003 UB313 (Brian G. Marsden, Minor Planet Electronic Circular MPEC 2005-O41, 29 Jul 2005)
2004 DW, Frequently Asked Questions About (Chad Trujillo, Caltech)
2004 XR190: Enigmatic Discovery Beyond Neptune (CFEPS)
Visible spectroscopy of 2003 UB313: Evidence for N2 ice on the surface of the largest TNO? (Javier Licandro et al., astro-ph/0608044, 1 Aug 2006)
Water Ice on the Satellite of Kuiper Belt Object 2003 EL61 (Kristina M. Barkume et al., astro-ph/0601534, 24 Jan 2006)
The water ice rich surface of (145453) 2005 RR43: a case for a population of trans-neptunian objects? (Noemi Pinilla-Alonso et al., astro-ph/0703098, 6 Mar 2007)

[Up]

Asteroids


Albedos and diameters of three Mars Trojan asteroids (David E. Trilling et al., arXiv:0709.1921v1 [astro-ph], 12 Sep 2007)
A.L.P.O. Minor Planets Section
Asteroid Data Services by Lowell Observatory (Bruce Koehn)
Asteroid Heating: A Shocking View (G. Jeffrey Taylor, Planetary Science Research Discoveries, 2 Apr 2004)
Asteroid Introduction (Calvin J. Hamilton)
-- LANL Mirror
Asteroid.net (Matt Clairday)
Asteroid Occultation Predictions, Current
(Stephen Preston, Medina, Washington)
Asteroid Orbital Elements (U.S. Naval Observatory)
Asteroid Radar Research Page (Steven J. Ostro,JPL)
Asteroids (Bill Arnett, The Nine Planets)
Asteroids (NASA Solar System Exploration)
-- JPL Mirror
Asteroids (Uppsala Planetary System Group)
Asteroids (USGS Flagstaff)
Asteroids (Windows to the Universe)

Asteroid Sample-return Spacecraft MUSES-C, Hayabusa
(JAXA)
Asteroids Menu (ASU)
Asteroids with Canadian Connections (Peter Jedicke, RASC)
BAA Asteroids and Remote Planets Section
(Andy Hollis et al., British Astronomical Association)
Bill Bottke's Asteroid Research Home Page (Southwest Research Institute, Boulder)
Breit Ideas Observatory (Derek Breit, San Francisco)
The Chemical Composition of an Extrasolar Minor Planet (B. Zuckerman et al., arXiv:0708.0198v1 [astro-ph], 1 Aug 2007)
Clark R. Chapman (Southwest Research Institute, Boulder)
Composition of the L5 Mars Trojans: Neighbors, not Siblings (Andrew S. Rivkin et al., arXiv:0709.1925v1 [astro-ph], 12 Sep 2007)
Dawn (The Planetary Society)
Dawn: A Journey to the Beginning of the Solar System (UCLA)
-- Dawn's Early Light Newsletter (ed. Carol A. Raymond, JPL)
Dawn Mission Home Page (Keyur Patel et al., NASA Jet Propulsion Laboratory)
Dawn Mission to Vesta and Ceres (NASA Missions)
Differentiation of the asteroid Ceres as revealed by its shape
(P. C. Thomas et al., Nature, 8 Sep 2005) PDF
EARN - European Asteroid Research Node (Stefano Mottola)
Efficient intra- and inter-night linking of asteroid detections using kd-trees (Jeremy Kubica et al., astro-ph/0703475, 19 Mr 2007)
The Exploded Planet Hypothesis (Tom Van Flandern, Meta Research)
Exploring The Planets - Asteroids
First albedo determination of 2867 Steins, target of the Rosetta mission (Sonia Fornasier et al., astro-ph/0602631, 28 Feb 2006)
Hayabusa (MUSES-C, ISAS Missions, Japan)
Hayabusa Homepage (MUSES-C, ISAS)
Hayabusa (MUSES-C, The Planetary Society)
Hayabusa Project Science Data Archive (JAXA)
Infrared Absorption Investigations Confirm the Extraterrestrial Origin of Carbonado-Diamonds (Jozsef Garai et al., physics/0608014, 2 Aug 2006, revised)
The internal structure of the asteroids (Vladan Celebonovic, astro-ph/0703469, 17 Mar 2007)
International Occultation Timing Association
IOTA Asteroidal Occultation, Mid-Atlantic Occultation, Eclipse, and Lunar Impactors Page (David W. Dunham, Johns Hopkins University, Laurel, Maryland)
ISPEC: Virtual Learning Center - Asteroids
JPL Asteroids (NASA Jet Propulsion Laboratory)

A low density of 0.8 g/cc for the Trojan binary asteroid 617 Patroclus (Franck Marchis et al., astro-ph/0602033, 2 Feb 2006)
Masses of the Largest Asteroids (James L. Hilton, U.S. Naval Observatory)
Minor Planet Center (IAU)
Minor Planet Mailing List (Richard Kowalski)
The Minor Planet Observer (Brian Warner, Palmer Divide Observatory)
Minor Planets (The Silicon Sky)
Observable Unusual Minor Planets (CfA Planetary Sciences Division)
OrbitViewer Invocation: Dynamic invocation of Osamu Ajiki & Ron Baalke's OrbitViewer applet for asteroids (David Benn)
The Origin and Evolution of the Asteroid Main Belt
(Philip R. Bidstrup et al., astro-ph/0511370, 11 Nov 2005)
Origin of volatiles in the Main Belt (Olivier Mousis et al., arXiv:0710.5179v1 [astro-ph], 26 Oct 2007)
Outgassing of Ordinary Chondritic Material and Some of its Implications for the Chemistry of Asteroids, Planets, and Satellites (Laura Schaefer & Bruce Fegley, Jr, astro-ph/0606671, 27 Jun 2006)
PDS Geosciences Node Data and Services: Asteroids
(NASA's Planetary Data System)
Planets, Asteroids and Beyond: A Selection of Thoughts, Tools, and Links (Jonathan Dunn)
The Properties of Jovian Trojan Asteroids Listed in SDSS Moving Object Catalog 3 (Gyula M. Szabo et al., astro-ph/0703026, 1 Mar 2007)
PSRD Archive: Asteroid Articles
RPIF-Asteroids
SMASS - Small Main-Belt Asteroid Spectroscopic Survey
(Richard P. Binzel et al.)
SOARD (Steward Observatory Asteroid Relational Database)
3.2 mm lightcurve observations of (4) Vesta and (9) Metis with the Australia Telescope Compact Array (Thomas G. Mueller & P. J. Barnes, astro-ph/0703215, 9 Mar 2007)
Two new basaltic asteroids in the Outer Main Belt (Rene Duffard & F. Roig, xxx.lanl.gov/abs/0704.0230, 2 Apr 2007)
Voyage to the Giant Asteroids--Liftoff! (Patrick Barry, Science@NASA, 27 Sep 2007)
V-type asteroids in the middle Main Belt (Fernando Roig et al., arXiv:0707.1012 [astro-ph, 6 Jul 2007, revised)
When Did the asteroids Become Minor Planets?
(James L. Hilton, U.S. Naval Observatory)

See also The Sky: Minor Planets

[Up]

Comets


Earth cannot escape the sky; let it flee up or down, the sky flows into it, and makes it fruitful whether it will or no.
Meister Eckhart

About Comets (NOAO)
Alice: The Rosetta Ultraviolet Imaging Spectrograph
(S.Alan Stern et al., astro-ph/0603585, 21 Mar 2006)
A.L.P.O. Comets Section
Approaching Comets - Call for Observations (Mike/AH6L, Oahu)
Astronomy Scape: Comets
BAA Comet Section (Jon Shanklin et al., British Astronomical Association)
Ball, Andrew J., 'Measuring Physical Properties at the Surface of a Comet Nucleus' (June 1998)
A Bima Array Survey of Molecules in Comets Linear (C/2002 T7) and Neat (C/2001 Q4) (Anthony J. Remijan et al., astro-ph/0601709, 31 Jan 2006)
Blasting a Hole in a Comet: Take 2 (Tony Phillips, Science@NASA, 26 Sep 2007)
Carbon Monoxide in Comet 9P/Tempel 1 before and after the Deep Impact Encounter (Paul D. Feldman et al., astro-ph/0607185, 10 Jul 2006)
CIDA (Cometary and Interstellar Dust Analyzer)
Circular polarization in comets: Observations of Comet C/1999 S4 (LINEAR) and tentative interpretation (Vera Rosenbush et al., astro-ph/0703221, 9 Mar 2007)
The COCD Homepage (Maik Meyer, Catalogue of Comet Discoveries)
Cometary diversity and cometary families (Jacques Crovisier, astro-ph/0703785, 30 Mar 2007)
Cometary water expansion velocity from OH line shapes (W.-L. Tseng et al., astro-ph/0702193, 7 Feb 2007)
Comet Catalog (Seiichi Yoshida)
Comet Home (Dave Jewitt)
Comet Ikeya-Zhang Photo Gallery (Science@NASA)
Comet Images Menu (ASU)
Comet Information and the ICQ (The International Comet Quarterly)

Comet Introduction (Calvin J. Hamilton)
-- LANL Mirror
CometLINEAR.com - Comet LINEAR C/1999 S4
-- Update (Mark Kidger)
Comet Observation Home Page (Charles S. Morris, JPL)
Comet Observations with the Boston University Imaging System
Comet Observing (The Silicon Sky)
Cometography (Gary Kronk)
Comet Orbit Home Page (Kazuo Kinoshita)
Comets (Bill Arnett, The Nine Planets)
Comets (Melbourne's Astronomy Central)

Comets (NASA Solar System Exploration)
-- JPL Mirror
Comets (Uppsala Planetary System Group)
Comets (Windows to the Universe)
Comets & Meteors Showers (Gary W. Kronk)
A comet's tale - Scientists are just beginning to examine the pieces of a comet brought back to Earth by NASA's Stardust mission. (Mark Peplow, Nature, 13 Feb 2006)
The Comet Watch Program (Tim Puckett)
Comet WWW Links (Gary W. Kronk)
CONTOUR (Comet Nucleus TOUR)
-- Mishap Investigation Board Report (NASA, 31 May 2003) PDF
Crash Course in Comet Construction (Leslie Mullen, Astrobiology Magazine, 5 Jul 2005)
Deep Impact (Ball Aerospace, Boulder, Colorado)
Deep Impact (NASA Missions)
Deep Impact at ESO (European Southern Observatory)
Deep Impact : High Resolution Optical Spectroscopy with the ESO VLT and the Keck 1 telescope (E. Jehin et al., astro-ph/0603306, 13 Mar 2006)
Deep Impact Mission to Tempel 1 Favours New Explosive Cosmogony of Comets (Edward M. Drobyshevski et al., astro-ph/0605389, 16 May 2006)
Deep Impact: Your First Look Inside a Comet! (JPL)
-- University of Maryland Mirror
The Demographics of Long-Period Comets (Paul J. Francis, astro-ph/0509074, 5 Sep 2005)
Direct Detection of Extra-Solar Comets is Possible
(Michael Jura, astro-ph/0505484, 24 May 2005)
Dust observations of Comet 9P/Tempel 1 at the time of the Deep Impact (G. P. Tozzi et al., arXiv:0710.1040v1 [astro-ph], 4 Oct 2007)
Epoxi Mission (NASA Deep Impact)
Expectations for the Deep Impact collision from cometary nuclei modelling (Olivier Mousis et al., astro-ph/0506721, 29 Jun 2005)
Exploring The Planets - Comets
A fully 3-dimensional thermal model of a comet nucleus (Eric D. Rosenberg & D. Prialnik, astro-ph/0703250, 11 Mar 2007)
Giotto (ESA Science)
Halley's and Other Comets (USGS Flagstaff)
Halley's comet of 87 BC on the coins of Armenian king Tigranes? (V. G. Gurzadyan & R. Vardanyan, physics/0405073, 14 May 2004, revised)

Hal Weaver's Home Page (Harold A. Weaver)
The ICQ Comet Information Website (International Comet Quarterly)
Impact! (Leslie Mullen, Astrobiology Magazine, 4 Jul 2004)
ISPEC: Virtual Learning Center - Comets
JPL Comets (NASA Jet Propulsion Laboratory)
Migration of Comets to the Terrestrial Planets (Sergei I. Ipatov & J. C. Mather, astro-ph/0609721, 26 Sep 2006)
Mike's SOHO Comet Hunt (Michael Oates, UK)
MIRO Home Page (Microwave Instrument for the Rosetta Orbiter)
Near-Live Comet Watching System (Carl Pilcher et al.)
The New Millennium Program: Space Technology 4/Champollion
Observable Comets (CfA Elements & Ephemerides)
OrbitViewer Invocation: Dynamic invocation of Osamu Ajiki & Ron Baalke's OrbitViewer applet for comets (David Benn)
Origin and Dynamical Evolution of Comets and their Reservoirs
(Alessandro Morbidelli, astro-ph/0512256, 9 Dec 2005)
Photometry of comet 9P/Tempel 1 during the 2004/2005 approach and the Deep Impact module impact (G. A. Milani et al., astro-ph/0608180, 8 Aug 2006)
PSRD Archive: Comet Articles
Radio observations of comet 9P/Tempel 1 with the Australia Telescope facilities during the Deep Impact encounter (Paul A. Jones et al., astro-ph/0604489, 24 Apr 2006)
Rosetta (ESA)
Rosetta (ESA Science)

Rosetta Lander (Jens Biele, DLR Cologne)
ROSETTA Lander Web-Server
A Search for EUV Emission from Comets with the Cosmic Hot Interstellar Plasma Spectrometer (CHIPS) (Timothy P. Sasseen et al., astro-ph/0606466, 20 Jun 2006)
Sebastian's Comet Hunt (Sebastian F. Hönig)
Seiichi Yoshida's Home Page
Small Comets (Louis A. Frank & John B. Sigwarth)
SOHO Comets (Jonathan Shanklin, BAA)
SOHO/LASCO Comet Observations (LASCO, U.S. Naval Research Lab)
Southern Astronomy Page (Terry Lovejoy)
Spectropolarimetry of the Deep Impact target comet 9P/Tempel 1 with HiVIS (David M. Harrington et al., astro-ph/0703335, 13 Mar 2007)
A Spitzer Study of Comets 2P/Encke, 67P/Churyumov-Gerasimenko, and C/2001 HT50 (LINEAR-NEAT) (Michael S. Kelley et al., astro-ph/0607416, 18 Jul 2006)
Stardust@Home | An interactive Internet-based search for interstellar dust in the Stardust aerogel collector (University of California at Berkeley)
-- Stardust@Home (The Planetary Society)
Stardust findings favor not only the planetary origin of comets but the underlying close-binary cosmogony of the Solar system as well (Edward M. Drobyshevski, astro-ph/0702601, 22 Feb 2007)
Stardust: NASA's Comet Sample Return Mission (JPL)
-- Stardust Curation Team
Study of grain compositions in comet Levy 1990XX (Himadri Sekhar Das et al., arXiv:0705.3163v1 [astro-ph], 22 May 2007)
Submillimeter Wave Astronomy Satellite observations of comet 9P/Tempel 1 and Deep Impact (Frank Bensch et al., astro-ph/0606045, 2 Jun 2006)
Sungrazer (Douglas Biesecker, SoHO)
Sungrazer Comets (Tony Smith)
Sungrazing Comets (Doug Biesecker)
Sunshine on Comets: Part I (Interview with Jessica Sunshine, Astrobiology Magazine, 3 Oct 2005)
Sunshine on Comets: Part 2 (Interview with Jessica Sunshine, Astrobiology Magazine, 6 Oct 2005)
SWAS observations of comet 9P/Tempel 1 and Deep Impact
(Frank Bensch et al., astro-ph/0509850, 28 Sep 2005)
Toni Scarmato's Astronomy Homepage (Bologna)
Two different evolutionary types of comets proved by polarimetric and infrared properties of their dust (Ludmilla Kolokolova et al., astro-ph/0703220, 9 Mar 2007)
The Unstable Lives of Comets: The Fragmentation of Comet 57P/du Toit-Neujmin-Delporte (Yanga R. Fernández et al., IfA, 22 Jul 2002)

Comet Shoemaker-Levy Home Page (JPL)
Comet Impact Image Browser (Guy McArthur)
List of sites holding images of the SL9-Jupiter crash
(Hartmut Frommert)

Comet C/1996 B2 (Hyakutake)
Comet C/1996 B2 (Hyakutake) Home Page
Comet Hyakutake (ESO)
Comet Hyakutake at NOAO
The Comet Hyakutake Observations (Eileen V. Ryan)
Comet Hyakutake VRML Page
LASCO Comet Hyakutake Page

Comet Hale-Bopp (David R. Williams, NSSDC)
Comet Hale-Bopp (Richard M. West, ESO)
Comet Hale-Bopp at the New England Science Center
(Jesse Anderson et al.)
Comet Hale-Bopp Home Page (Ron Baalke, JPL)
-- Mirror Site
The Comet Hale-Bopp Home Page (Russell Sipe)
Comet Hale-Bopp IAC
Comet Hale-Bopp in Uppsala
Comet Hale-Bopp Movies (Brian Monson)
Hale-Bopp (Keith Gleason, Sommers-Bausch Observatory)
The Hale-Bopp Comet Page (Bill Drennon)
IfA -- Comet Hale-Bopp (Richard J. Wainscoat & Olivier Hainaut, UH Institute for Astronomy)
ING Hale-Bopp Home Page (Nic Walton & Javier Mendéz)

See also The Sky: Visible Comets

[Up]

Meteors and Meteorites


I would sooner believe that two Yankee professors lied than that stones could fall from the sky.
Thomas Jefferson

A.L.P.O. Meteors Section
The American Meteor Society
ANSMET - The Antarctic Search for Meteorites (CWRU)
Antarctic Meteorite Newsletter (ed. Cecilia Satterwhite & Kevin Righter, Johnson Space Center)
Arthur Ross Hall of Meteorites (American Museum of Natural History)
BAA Meteor Section (Richard Miles et al., British Astronomical Association)
Canadian Meteorite Catalogue (Provincial Museum of Alberta)
Cascadia Meteorite Laboratory (Portland State University)
Collecting Meteorites from Mars in Antarctica (Luann Becker)
Dutch Meteor Society: Links to Websites
The ESA/SSD Meteor Pages (Detlef Koschny)
Institute of Meteoritics (University of New Mexico)
International Meteorite Collectors Association
International Meteor Organization (Rainer Arlt)
Interstellar Organic Matter in Meteorites (G. Jeffrey Taylor, Planetary Science Research Discoveries, 26 May 2006)
Iron Meteorites as the Not-So-Distant Cousins of Earth (William F. Bottke & Linda M. V. Martel, Planetary Science Research Discoveries, 21 Jul 2006)
ISS Impact Probabilities for the 1999 Leonid Meteor Storm
(William Cooke, Marshall SFC)

The Laboratory of Meteoritics (Vernadsky Institute of Geochemistry and Analytical Chemistry, RAS)
The Leonid 1998 Meteor Shower (ESOC)
Leonid '98 Meteor Outburst Page (NASA Ames Research Center)
Leonid Meteor Outburst Page
-- Leiden Mirror
The Leonid Meteors (Armagh Observatory)
Leonid Meteor Storms (William H. Ailor et al.)
Leonids (Gary W. Kronk)
Leonids E-Web
The Leonids: King of the Meteor Showers (Joe Rao)
Leonids Live '99 from Yatsugatake Observatory - 17 Nov 1999

Leonids 1998 (ESA Science)
Leonids 1999
Leonids 2000
Leonids 2001
Leonid Storm (The Aerospace Corporation)
Lunar Meteorites (Randy L. Korotev, Washington University in St. Louis, Missouri)
Lunar Meteorite SaU169 | New Lunar Meteorite Provides its Lunar Address and Some Clues about Early Bombardment of the Moon (G. Jeffrey Taylor, Planetary Science Research Discoveries, 31 Oct 2004)
Lunar Meteorites and the Lunar Cataclysm (Barbara A. Cohen, Planetary Science Research Discoveries, Jan 2001)
Mars Meteorite Home Page (JPL)
Meteorite Collection (Natural History Museum, London)
The Meteorite Exchange
Meteorite! Magazine
Meteorite Maps (Bill Peck) $

The Meteorite Market
Meteorite News (Henning Haack, Danish Centre for Remote Sensing)
Meteorites (Net Advance of Physics)
Meteorites and Their Properties (David A. Kring, LPL)
Meteorites: Friend or Foe? (Interview with Monica Grady, Part 2, Astrobiology Magazine, 9 Nov 2006)
Meteorites from Antarctica (NASA JSC)
Meteorites from Mars! (NASA GSFC)
Meteorites from Mars (NASA JSC)
Meteorites, Meteorites and Impacts (Bill Arnett, The Nine Planets)
The Meteoritical Society
MeteorObs - Meteor Observing Mailing List (Lew Gramer)
Meteoroids and Meteorites (Rosanna L. Hamilton)
-- LANL Mirror

Meteor Physics (Peter G. Brown, Meteor Physics Lab)
Meteor Scatter (Bernie Kapinski)
Meteors, Meteorites and Meteoroids (NASA Solar System Exploration)
-- JPL Mirror
Meteor Storm Hazard - Leonids '98 (Martin Beech)
Meteor Storms (Leonids)
Meteor WWW Links (Gary W. Kronk)
The Natural History Museum's Meteorite Catalogue Database (UK)
The Near-Live Leonid Watching Program
NEMS Meteorites & Planetary Science
(New England Meteoritical Services)
North American Meteor Network
Organic Globules from the Cold Far Reaches of the Proto-Solar Disk (G. Jeffrey Taylor, Planetary Science Research Discoveries, 25 Jan 2007)
A Piece of Mars? (Exploring The Planets)
Portales Valley: Not Just Another Chondrite (Alex Ruzicka & Melinda Hutson, Planetary Science Research Discoveries, 30 Sep 2005)
The Prairie Meteorite Search (Alan Hildebrand et al.)

Presolar Grains in Meteorites (Larry R. Nittler)
PSRD Archive: Meteorite Articles
Radio Meteor Listening: The MSFC Online Meteor Radar
(SpaceWeather.com)
Robotic Antarctic Meteorite Search (Nomad)
Sayh al Uhaymir (SaU) 169 (Edwin Gnos et al.)
Sahara Meteorite Prospecting (Richard & Roland Pelisson)
Seeking Out Meteorites (Interview with Monica Grady, Part 1, Astrobiology Magazine, 6 Nov 2006)
Tagish Lake Meteorite (Natural Resources Canada)
Tagish Lake Meteorite/Fireball Investigation
(Peter G. Brown, Meteor Physics Lab)
-- Most Recent Scientific Analyses
Tagish Lake -- A Meteorite from the Far Reaches of the Asteroid Belt
(David W. Mittlefehldt, PSRD Discoveries, 12 Dec 2002)
2001 Leonid Meteor Shower (Space.com Special Report)
2005 October 5 Outburst of October Camelopardalids (Peter Jenniskens et al., SETI Institute, 2005) PDF
The Tycho Brahe Expedition 1998
Understanding the Leonid Meteor Storms (The Aerospace Corporation)
The Universal Dark Matter (Robert K. Soberman & Maurice Dubin, astro-ph/0609500, 18 Sep 2006)
USAF Bolide Information (AFTAC)
Visual RMOB (Radio Meteor Observing Bulletin)

See also The Sky: Meteors and Meteor Showers

[Up]

NEOs (Near-Earth Objects), SB Impact, and Astroblemes


Sooner or later, it was bound to happen.
Arthur C. Clarke (Rendezvous with Rama, 1973)

ABOB's Page or: Comets, Culture, & Currency (Bob Kobres)
Addressing the Comet and Asteroid Impact Threat: A Next Step (Edward Tagliaferri et al., American Institute of Aeronautics and Astronautics Position Paper, Jul 2002) PDF
ADU Web Site: Chicxulub Impact Crater Provides Clues to Earth's History (Virgil L. Sharpton, Earth in Space, Dec. 1995)
Ames, Oklahoma, Meteorite Impact Structure (Judson L. Ahern)
AMOS WWW Homepage (Air Force Maui Optical Station)
Approaching Comets - Call for Observations (Mike/AH6L, Oahu)
ARC 3.5m Detects Asteroid 1997 XF11
Asteroid Deflection (Piet Hut, Princeton IAS)
Asteroid Deflection: How, where and when? (Daniele Fargion, arXiv:0705.1805 [astro-ph], 12 May 2007, revised)
Asteroid 1997 XF11 (Earth Close-Approach)
Asteroid 3753 Cruithne Aspects & Distances
(Jonathan Dunn)
Asteroid 99942 Apophis (2004 MN4), Radar Refinement of the Orbit of
(Steven J. Ostro, Asteroid Radar Research)
Assteroid: Pain in the Asteroid (Phil Plait)
Asteroid and Comet Impact Hazards (NASA)
-- Fact Sheet on Asteroid and Comet Impacts
Asteroid Close Approaches: Analysis and Potential Impact Detection
(Andrea Milani et al., 2002)
Asteroid! The Doomsday Rock (dir. Jerry Thompson, CBC Worldwide, 24 Nov 2003)
Asteroid Impact Simulations (Erik Asphaug, UCSC)

Asteroid 1950 DA (NASA NEO Program)
Asteroids: Deadly Impact (National Geographic)
AsteroidShield (Al Globus et al., Lifeboat Foundation)
Asteroids Near Earth : Retrieval for Materials Utilization (Mark Prado)
ASTRONET | Asteroid Tracking, Reconnaissance, and Observation Network (Dana Berry & Scott Battaion, Wright Center for Science Education, Tufts University, Boston)
Astronomical Odds: A Policy Framework for the Cosmic Impact Hazard (Geoffrey S. Sommer, RAND Corporation, 2005) PDF
Astrophysicist Richard A. Muller: One Disaster after Another
(Daniel Grossman, Profile, Scientific American 284:2:30-32, Feb 2001)
Australian Spaceguard Survey (Michael Paine)
Australia's Contribution to Spaceguard | An Open Letter to the Australian Federal Government from International Scientists (29 Jan 2002) PDF
[Babtistina Breakup] An asteroid breakup 160 Myr ago as the probable source of the K/T impactor (William F. Bottke et al., Nature 449:48-53, 6 Sep 2007; abstract)
-- Killer asteroid fingered (Geoff Brumfiel, Nature, 5 Sep 2007)
-- New research reveals a large asteroid breakup to be the likely source of the impactor that caused a mass extinction event on Earth 65 million years ago (SwRI Press Release, Southwest Research Institute, San Antonio, Texas, 6 Sep 2007)
-- Asteroid collision sealed dinosaurs' fate (Carolyn Gramling, Geotimes, 6 Sep 2007)
-- News Flash! Dino-killing asteroid traced to its home between Jupiter and Mars at a place called... Baptistina? (Knight Science Journalism Tracker, 6 Sep 2007)
-- Killer Collision: Dino demise traces to asteroid-family breakup (Ron Cowen, Science News Online, 8 Sep 2007)
-- The Baptistina Breakup (Astrobiology Magazine, 8 Sep 2007)
-- Ancient Asteroids Transformed Life on Earth (Amir Alexander, Planetary News, 21 Sep 2007)
-- Finding the Dino Killer (Larry Klaes, Centauri Dreams, 23 Oct 2007)
Bang and Splat (Alan Hall et al., Scientific American Explorations, 26 May 1997)
Barringer Meteor Crater, Arizona (NASA EO Newsroom)
Barringer Meteorite Crater, Impact Theory and Meteor Craters
(Barringer Crater Company)
BBC Online: Horizon, New Asteroid Danger: Earth in the Cosmic Firing Line (BBC, 18 Mar 1999)
Bedout: A Possible End-Permian Impact Crater Offshore Northwestern Australia (Luann Becker et al.)
Better Collision Insurance (Russell L. Schweickart & Clark R. Chapman, Macroscope, American Scientist 93(5):392, Sep-Oct 2005)
Beware of Apophis...or not? (Daniel Lak, CBC News, 20 Feb 2007)
Big Bang In Antarctica -- Killer Crater Found Under Ice (Pam Frost Gorder, Ohio State Research News, 1 Jun 2006)
BigRock - Asteroids and Comets Threat (Victor D. Noto)
Binary Asteroids in the Near-Earth Object Population
(Jean-Luc Margot et al., 11 Apr 2002)
Blast from the Past (NMNH)
Bolide Impacts and Mass Extinctions (Jason Finley et al., UCLA)
B612 Foundation (Piet Hut & Ed Lu et al., Tiburon, California)

A Call to (Considered) Action (Russell L. Schweickart, B612 Foundation, 20 May 2005) PDF
Cambridge Conference Correspondence Menu
Can we detect asteroid impacts with rocky extrasolar planets?
(Michael Paine, The Space Review, 11 Dec 2006)
Catalina Sky Survey
Catastrophism (Philip R. Burns)
CCNet (ed. Benny Peiser, Liverpool John Moores University)
The Chesapeake Bay Bolide Impact: Modern Consequences of an Ancient Cataclysm (C. Wylie Poag et al., US Geological Survey)
The Chesapeake Bay Bolide Impact: A New View of Coastal Plain Evolution (USGS)
The Chesapeake Meteorite: Message from the Past (USGS)
The Chicxulub Debate (Gerta Keller et al., Nov 2003-Jan 2004)
Chicxulub Impact Crater (V. L. Sharpton, Earth in Space, Dec. 1995)
Chicxulub Impact Crater: Relief Map, Yucatan Peninsula, Mexico (NASA EO Newsroom)
Chicxulub Impact Event (David A. Kring, LPL Space Imagery Center)
The Chicxulub Seismic Experiment (John Brittan)
Chicxulub: A 'Smoking Gun' for Dinosaur Extinction
(Rosemary Sullivant, JPL Spotlight, 6 Mar 2003)
Chicxulub Scientific Drilling Project (Jaime Urrutia Fucugauchi et al., ICDP - International Continental Scientific Drilling Program)
Clark R. Chapman (Southwest Research Institute, Boulder)
Close Earth Approaches of Asteroid 1999 AN10
(Andrea Milani et al.)
Clovis-age impact theory, UO researchers involved in (Douglas J. Kennett & Jon M. Erlandson, Press Release, University of Oregon, 23 May 2007)
-- North American Comet Catastrophe 10,900 BC (AGU Press Conference, Acapulco, 23 May 2007; YouTube)
-- Comet Wiped Out Early North American Culture, Animals, Study Says (John Roach, National Geographic News, 23 May 2007)
-- Comet May Have Exploded Over North America 13,000 Years Ago (Cheryl Dybas, Discoveries, US National Science Foundation, 14 Aug 2007)
The Comet/Asteroid Impact Hazard: A Systems Approach
(Clark R. Chapman et al., SwRI White Paper, 24 Feb 2001)
Comet/Asteroid Impact Simulation - Sandia National Laboratories
Comet Busters (Peter Tyson, Technology Review, Feb 1995)
A comparative study of current and planned NEO surveys
(Alain Maury, LSST, Jun 1999)
Comparing the NEATM with a Rotating, Cratered Thermophysical Asteroid Model (Edward L. Wright, astro-ph/0703085, 5 Mar 2007)
Contemplating Craters (Simon Mitton, Interview with Charles Cockell, Astrobiology Magazine, 4 May 2006)

Cosmic Earth Impacts (NASA History Office)
Crater Calculator (H. Jay Melosh & Ross A. Beyer)
Crater Diary, Part 1 (14 November 2005): Exotic Life Beneath My Feet
(Aaron Gronstal, Astrobiology Magazine, 9 Jan 2006)
Crater Diary, Part 2 (15 November 2005): Cracking Open a Vault
(Aaron Gronstal, Astrobiology Magazine, 23 Jan 2006)
Crater Diary, Part 3 (17 November 2005): Coping with Cores
(Aaron Gronstal, Astrobiology Magazine, 30 Jan 2006)
CraterNet: Haughton-Mars Project (Stephen P. Braham, SFU)
Critique of "2006 Near-Earth Object Survey and Deflection Study: Final Report" Published 28 Dec. 2006 by NASA Hq. Program Analysis & Evaluation Office (Clark R. Chapman, Southwest Research Institute, Boulder, Colorado, 2 May 2007) DOC
Crossed Paths (The Tangled Web)
Cruithne, Earth's "Second Moon" (Bob Jenkins)
CTH 3D Comet Impact Simulations
(David Crawford, Sandia National Laboratories)
Current Impact Risks (NASA Sentry)
Damage by Impact at Meteor Crater (Linda M. V. Martel, Planetary Science Research Discoveries, Dec 1997)
Database of Physical and Dynamical Properties of NEOs
(Gerhard Hahn, E.A.R.N.)
Database of Terrestrial Impact Structures (Natural Resources Canada)
Dealing with the Threat of an Asteroid Striking the Earth (Edward Tagliaferri, American Institute of Aeronautics and Astronautics Position Paper, Apr 1990) PDF
Deep Impact, dir. Mimi Leder SF (8 May 1998)
Design for a Human Mission to a Near Earth Object (DigitalSpace, 30 Jul 2007)
Dinosaur Extinction Page (A. Buckley)
Dinosaur Extinction: The Volcano-Greenhouse Theory
(Dewey M. McLean)
Dinosaurs, Comets, and Asteroids -- Resources (NASA)
Don Quijote (NEO Space Mission Preparation, ESA)
Double Whammy (Alan Hall et al., Scientific American Explorations, 19 Jan 1998)
Dynamical transport of asteroid fragments from the nu6 resonance (Takashi Ito & Renu Malhotra, astro-ph/0611548, 17 Nov 2006)
Earth Close-Approach Tables (JPL Solar System Dynamics)
Earth Craters Sorted by Continent (Catherin Gregory)

The Earth-Crossing, and Potentially Hazardous Asteroid 4179 Toutatis (Scott Hudson)
Earth-Crossing Asteroid Pages (Scott Hudson)
Earth Impact
Earth Impact Database (Planetary and Space Science Centre, UNB)
Earth Impact Effects Program (Robert Marcus et al., UA Lunar and Planetary Lab)
Earth Lagrange or Trojan Asteroids (Martin Connors et al.)
Ecologically Important Meteor Craters of the World
(Mikko Haaramo)
The Educator's Guide to NEAR (Steve Bowser & Joy Maloney)
Ernstson Impact Structures (Kord Ernston, University of Würzburg)
ErosDaily.com - Internet Portal to Eros (SpaceDaily)
ESF-IMPACT Home Page (European Science Foundation)
The EUNEASO Project
The Exploration of Near-Earth Objects (NAS, 1998)
Exploring The Planets - Near Earth Asteroids
Extinctions: Cycles of Life and Death Through Time
(Hooper Virtual Paleontological Museum)
The Fall and Rise of Catastrophism (Trevor Palmer, 25 April 1996)
Florida Today Space Online Special: Icarus

FMO Project (Fast Moving Object, Spacewatch Project, University of Arizona)
Follow-up and Recovery of Near Earth Asteroids (Christian Veillet)
Forthcoming Close Approaches to the Earth (MPC)
George E. Brown, Jr. Near-Earth Object Survey Act (H.R. 1022, introduced to 109th Congress 1 Mar 2005)
-- THOMAS Search Results (Library of Congress)
GISP | Global Impact Studies Project
(Geophysical Institute, Alaska)
Goddard's Mission to the Iturralde Structure (Tom Albert, GSFC)
A Gravitational Tractor for Towing Asteroids (Edward T. Lu & Stanley G. Love, astro-ph/0509595, 20 Sep 2005)
Great Impact Debate I: Benefits of Hard Bodies (Clark Chapman et al., Astrobiology Magazine, 10 Feb 2003)
-- The Impact Debate Part 1: The Good News
(Space.com, 11 Feb 2003)
Great Impact Debate II: Much Ado About Nothing (Clark Chapman et al., Astrobiology Magazine, 17 Feb 2003)
-- The Impact Debate Part 2: Media Hype
(Space.com, 18 Feb 2003)
Great Impact Debate III: The Large and the Small (Clark Chapman et al., Astrobiology Magazine, 24 Feb 2003)
-- The Impact Debate Part 3: Nagging Little Problems
(Space.com, 25 Feb 2003)
Great Impact Debate IV: Collision Course for Earth (Clark Chapman et al., Astrobiology Magazine, 3 Mar 2003)
-- The Impact Debate Part 4: Action & Reaction
(Space.com, 4 Mar 2003)
Great Impact Debate V: Encore (Clark Chapman et al., Astrobiology Magazine, 10 Mar 2003)
-- Asteroid Impact Threat: Reader Questions, Expert Answers
(Space.com, 10 Mar 2003)
Greenland meteor on 9 December 1997 (Dennis F. Chesters, NASA)
The Greenland Qaqortoq Meteorite (Oliver Merrington, World Data Centre for Glaciology, 19 Dec 1997, updated)
Haughton-Mars Project (Keith Cowing et al., Mars Institute)
-- Team Blogs
The Haughton-Mars Project (NASA)
Hazardous NEO Technical Reviews (IAU)
The Hera Mission (Derek Sears, Arkansas-Oklahoma Center for Space and Planetary Sciences)
High-Resolution Model of Asteroid 4179 Toutatis
(R. S. Hudson et al., Icarus 161:346-355, 2003)
How to discover asteroid impacts (Emilio Gonzales, Astroseti.org, 13 May 2006)
Hypercanes - Super Hurricanes - Threat or Fantasy?
ICDY Project (ESA Impact Crater Discovery)
Ice Age Ends Smashingly: Did a comet blow up over eastern Canada? (Sid Perkins, Science News 171:22:339, 2 Jun 2007)
Impact (James A. Marusek, 14 Jul 2001)
Impact Crater Collapse (Gareth Collins)
Impact Cratering Experiments (Mark J. Cintala et al., NASA JSC)
Impact Craters (NASA's Observatorium)
Impact Crater Teacher's Guide (NASA's Observatorium)
Impact Fires (Southwest Research Institute, San Antonio)
Impact-Generated Wildfires (David A. Kring et al., LPL Space Imagery Center)
Impact Hazard: Hot Topics (Ken Bollinger)
The Impact of an Asteroid off the New York Coast
(David Crawford, Sandia National Laboratories)

Impact Risk Assessment (NASA Sentry)
Impact Structures of the World (Jarmo Moilanen)
IndoChina Impact 800,000 Years Ago (Michael Paine)
In Search of Crater Chains (Tony Phillips, Science@NASA, 15 May 2006)
Interactive Map of Terrestrial Impact Craters
(LPL Space Imagery Center)
The International Astronomical Union, Near Earth Objects (NEOs)
Japan Spaceguard Association
Jornada Observatory (David Dixon, Las Cruces, New Mexico)
Kebira Crater (NASA EO Newsroom)
Kara-Kul Structure, Tajikistan (NASA Earth Observatory)
The Klet Observatory (Jana Tichá et al., Czech Republic)
Laboratory Impact Experiments (Eileen V. Ryan, PSI)
Lake Janisjarvi Impact Crater (NASA Earth Observatory)
The LINEAR Program (MIT Lincoln Near Earth Asteroid Research)
Little Chondrules and Giant Impacts (G. Jeffrey Taylor, Planetary Science Research Discoveries, 21 Oct 2005)
LONEOS (The Lowell Observatory Near-Earth Object Search)
Los Molinos Astronomical Observatory (OALM, Tabaré Gallardo et al., Uruguay)
The Lunar Cataclysm Hypothesis (LPL Space Imagery Center)
Lunar Meteorites and the Lunar Cataclysm (Barbara A. Cohen, Planetary Science Research Discoveries, Jan 2001)
Lunar Meteoritic Impacts Search (Brian Cudnik et al., ALPO)
Many binaries among NEAs (David Polishook & Noah Brosch, astro-ph/0607128, 7 Jul 2006)
Mars on Earth (NASA Haughton-Mars Project)
The Mars Society Flashline Arctic Research Station
(Haughton Crater, Devon Island, Nunavut, Canada)
Mass Concentration in Antarctica (NASA EO Newsroom, Aug 2006)
Mass Extinctions of the Phanerozoic (Hooper Virtual Paleontological Museum)
Mathilde Encounter: June 27, 1997
Meteor Crater! (Flagstaff, Arizona)

Meteorite and Impacts Advisory Committee to the Canadian Space Agency (Michael Higgins)
Meteorite Causes Illness in Peru (Slashdot, 18 Sep 2007)
-- In Peru, a Crater and Questions (Mike Nizza, The Lede, 20 Sep 2007)
-- The Carancas Meteorite Fall, 15 September 2007: Official INGEMMET initial report (Luisa Macedo F. & José Macharé, INGEMMET, Lima, 21 Sep 2007) PDF
-- Theories about Peruvian meteorite discounted (Mark Hume, Globe and Mail, 26 Sep 2007)
-- 'Meteorite' Crash Breeds Mass Hysteria (Andrea Thompson, SPACE.com, 27 Sep 2007)
-- Mysteries remain over Peru meteorite impact (Jeff Hecht, New Scientist, 28 Sep 2007)
Meteorite Impacts: The Impact of Impacts on Dinosaurs and Man
(Judson L. Ahern)
Minor Body Priority List (Sormano Astronomical Observatory)
Minor Planet Research, Inc. (Paul T. Johnson et al.)
NASA analysis of asteroid risk deeply flawed, critics say (Jeff Hecht, New Scientist, 21 May 2007)
NASA Insiders Propose Stepping Stone Path to Deep Space (Leonard David, SPACE.com, 30 Jul 2007)
NASA Mission to Iturralde (Ken Baxter & Bruce Taliaferro)
NASA plans 'Armageddon' spacecraft to blast asteroid (Rob Coppinger, Flight Global, 3 Aug 2007)
National Near Earth Objects Centre (UK)
-- Report of the [UK] Task Force on Potentially Hazardous Near Eath Objects (Harry Atkinson et al., 18 Sep 2000)
Near Earth Asteroid Rendezvous Mission (Kevin Pettee et al., APL)
-- SwRI Mirror (Boulder)
Near-Earth Asteroids and the Impact Hazard, Papers & Preprints on (Clark R. Chapman)
Near-Earth Asteroid 3753 Cruithne (Paul Wiegert et al.)
Near Earth Object Dynamics Site (NEODyS, Pisa)
-- Valladolid Mirror (Spain)
Near Earth Object Impact Hazard (Armagh Observatory)
Near Earth Object Map (Scott Manley)
Near Earth Object Program (Ron Baalke, JPL)
Near Earth Objects (IAU Frequently Asked Questions)
Near Earth Objects (LSST, Large Synoptic Survey Telescope)
Near Earth Objects (The Planetary Society)

Near-Earth Object Survey and Deflection: Analysis of Alternatives (NASA Report to Congress, Mar 2007) PDF
NEARlink - An Educational program supporting the Near Earth Asteroid Rendezvous (Space Explorers, Inc.)
NEAR Project's Eros Star Chart (Clark R. Chapman)
NEAR XGRS Database -- University of Arizona (Jessie Bhangoo)
NEAT (Near Earth Asteroid Tracking) Project (Steven Pravdo et al., JPL)
Nemesis (Richard A. Muller)
NEO Earth Close Approach Tables (NASA Sentry)
The NEO Impact Hazard and Options for Mitigation (Christian Gritzner) PDF
NEO: Keeping asteroids in check (ESA Concurrent Design Facility, 25 Feb 2005)
NEO News Archive (Asteroid and Comet Impact Hazards, NASA Ames Research Center)
The NEO Page (IAU Minor Planet Center)
NEO Science (Spaceguard)
-- IASF-CNR Mirror (Italy)
NEO Space Mission Preparation (European Space Agency)
NEOs Section of the Israeli Astronomical Association (Ilan Manulis)
NEO Survey Petition
New Theory on Old Debate: Comet Killed the Mammoth (Christopher Lee, Washington Post, 11 Jun 2007)
Nicholson Crater, Canada (NASA Earth Observatory, 2008)
99942 Apophis (2004 MN4) Impact Risk (NASA Near Earth Object Program)
1908 Siberia Explosion: Reconstructing an Asteroid Impact from Eyewitness Accounts (William K. Hartmann, PSI)
Noah's Ark on the Moon (Bernard Foing, Astrobiology Magazine, 27 Feb 2006)
North American Comet Catastrophe 10,900 BC (James Kennett et al., NSF, 14 Aug 2007; presented at AGU meeting, 23 May 2007)
-- Extraterrestrial Impact Likely Source of Sudden Ice Age Extinctions (Brown University Press Release, 24 Sep 2007)
-- Research team says extraterrestrial impact to blame for Ice Age extinctions (Northern Arizona University Press Release, 24 Sep 2007)
-- Another news bump for word of a N. American, Pleistocene fauna slaughtering comet or asteroid blast (Knight Science Journalism Tracker, 26 Sep 2007)
-- Impact killed the pleistocene megafauna? (Nick Matzke, The Panda's Thumb, 26 Sep 2007)

NOVA Online | Doomsday Asteroid (PBS)
NSF PR 97-41: Seismic Mystery Remains in Australia (28 May 1997)
Observational Constraints on the Number, Albedos, Sizes, and Impact Hazards of the Near-Earth Asteroids (Joseph Scott Stuart, MIT Phd Thesis, LINEAR Project, Jun 2003) PDF
The OCA - DLR Asteroid Survey
Ondrejov NEO Program (Petr Pravec et al.)
On Swift-Tuttle's Possible Collision
(from Sally Stephens, 'Cosmic Collisions,' 1993)
Orbits (Near-Earth Object Program)
The origin of planetary impactors in the inner solar system
(Robert G. Strom et al., astro-ph/0510200, 6 Oct 2005)
ORSA | Orbit Reconstruction, Simulation and Analysis
(Orbit@home)
The Palermo Technical Impact Hazard Scale (NASA NEO Program)
Pan-STARRS (Panoramic Survey Telescope & Rapid Response System, University of Hawaii Insitute of Astronomy)
Papers & Preprints on Near-Earth Asteroids and the Impact Hazard (Clark R. Chapman)
PDS Geosciences Node Data and Services: NEAR Laser Rangefinder Data (NASA's Planetary Data System)
Permanent Monitoring Panel - Defence Against Cosmic Objects
(World Federation of Scientists)
The Physical Properties of HD 3651B: An Extrasolar Nemesis? (Adam J. Burgasser, astro-ph/0611542, 16 Nov 2006)
Pictures Related to Late Triassic (214Ma) Multi-Impact Event
(David Rowley)
PIKA at the Crni Vrh Observatory (Herman Mikuz et al., Slovenia)
Ping's Spacy Page (P. H. Rankin Hansen)
Planetary Defense: Catastrophic Health Insurance for Planet Earth
(John M. Urias et al., USAF Air Force 2025 v3c16-1, Oct 1996)
The Planetary Defense Conference: Protecting Earth from Asteroids
(American Institute of Aeronautics and Astronautics/The Aerospace Corporation, 23-26 Feb 2004)
Planetary Defense Conference 2007 (The Cloyd Heck Marvin Center, George Washington University, 5-8 Mar 2007)
Planetary Defense Resources (The Aerospace Corporation, Los Angeles)
Planetary Defense Workshop Proceedings (LLNL, 22-26 May 1995)
The Planetary Society's Near-Earth Objects Page
Planning Near Earth Asteroid Observations on a 1m Class Telescope (Ovidiu Vaduvescu & Mirel Birlan, astro-ph/0702027, 1 Feb 2007)

A possible impact crater for the 1908 Tunguska Event (L. Gasperini et al., Terra Nova, OnlineEarly Articles, 21 Jun 2007)
Potentially Hazardous Asteroids (JPL Near Earth Object Program)
The Potentially Hazardous Asteroids (PHAs), List of
(IAU: Minor Planet Center)
Press Information Sheet: 100 Potentially Hazardous Asteroids
(Brian G. Marsden)
Project Wormwood: Studies in Planetary Defense and Space Debris (Learmonth Solar Observatory, IPS Radio and Space Services, Australia)
Protecting Earth from Asteroids (Planetary Defense Conference, AIAA/Aerospace Corporation, 23-26 Feb 2004)
Protecting Earth from Asteroids and Comets (American Institute of Aeronautics and Astronautics Position Paper, Oct 2004) PDF
Quantification of Near-Earth Object Threat (LSST, Large Synoptic Survey Telescope)
Quantifying the Risk: From the Torino Scale to the Palermo Scale
(Livia Giacomini, Tumbling Stone 11, Feb 2002)
Quantifying the Risk Posed by Potential Earth Impacts
(Steven R. Chesley et al., Palermo, Jun 2001)
Responding to the Potential Threat of a Near-Earth-Object Impact (American Institute of Aeronautics and Astronautics Position Paper, Sep 1995) PDF
Rusty Schweickart, Home Page of (Russell L. Schweickart)
SAEL - Small Asteroids Encounters List
(Sormano Astronomical Observatory)
Sandia National Laboratories - News Releases
Seameadow Astronomics Inc. (Chris Aikman)
Shoemaker Impact Structure (NASA Earth Observatory)
SHIELD: A Comprehensive Earth Protection System (Robert E. Gold, PI, NASA Institute for Advanced Concepts, 28 May 1999) PDF
Silverpit (Carl Koppeschaar, AstroNet)
SIMONE | Smallsat Intercept Missions to Objects Near Earth
(ESA NEO Space Mission Preparation)
SIR-C/X-SAR Image Yucatan Impact Crater Site

SkyMorph Home Page (Thomas McGlynn et al., GSFC)
Small Asteroids Encounters List
(Sormano Astronomical Observatory)
Solar System Collisions (Douglas P. Hamilton)
Sormano Astronomical Observatory (Osservatorio Astronomico Sormano)
Spaceguard Canada (Dave Balam)
The Spaceguard Central Node (ESA)
-- IASF-CNR Mirror (Italy)
The Spaceguard Foundation (ESA)
-- IASF-CNR Mirror (Italy)
-- US Mirror (CfA)
Spaceguard Links (Michael Paine, Australian Spaceguard Survey)
Spaceguard Survey
The Spaceguard UK Portal (Cardiff, Wales)
Space Mechanics Group - Near Earth Objects
Space Shield Foundation
The Spacewatch Project (LPL)
Spider Crater, Western Australia (NASA Earth Observatory)

StarDate Online | News | Earth Impacts/Extinction Events
Study to Determine the Feasibility of Extending the Search for Near-Earth Objects to Smaller Limiting Diameters: Report of the Near-Earth Object Science Definition Team (NASA NEO Program, 22 Aug 2003)
Table of Next Closest Approaches to the Earth
(Sormano Astronomical Observatory)
Team makes Tunguska crater claim (Paul Rincon, BBC News, 26 Jun 2007)
Terrestrial Impact Craters (Calvin J. Hamilton)
-- LANL Mirror
-- SpaceArt.Com Mirror
Terrestrial Impact Craters and Their Environmental Effects
(LPL Space Imagery Center)
Terrestrial Impact Structures (Craters)
-- Impact Cratering on Earth (R. A. F. Grieve)
Terrestrial Meteorite Craters, My Aerial Explorations of
(Charles O'Dale)
Thermal inertia of near-Earth asteroids and implications for the magnitude of the Yarkovsky effect (Marco Delbo et al., arXiv:0704.1915v1 [astro-ph], 15 Apr 2007)
Threat Characterization: Trajectory Dynamics (Russell Schweickart et al., physics/0608155, 15 Aug 2006)
Threat Mitigation: The Asteroid Tugboat (Russell Schweickart et al., physics/0608156, 15 Aug 2006)
Threat Mitigation: The Gravity Tractor (Russell Schweickart et al., physics/0608157, 15 Aug 2006)
The Threat of Near-Earth Asteroids (Hearing before the U.S. House of Representatives, 3 Oct 2002) Webcast (RAM)
Tiny Traces of a Big Asteroid Breakup (Linda M. V. Martel, Planetary Science Research Discoveries, 9 Mar 2004)
Tom's Asteroid Flybys Webpage (Thomas A. Fine, Smithsonian Astrophysical Observatory)
The Torino Scale - Asteroid-Earth Impact Scale
The Torino Scale: A NEO Hazard Index (Richard P. Binzel)
Toutatis Home Page (Alain Maury)
Tsunami from Asteroid/Comet Impacts (Michael Paine, Australian Spaceguard Survey)
Tumbling Stone - NEOs, asteroids, comets, meteors and Earth impact hazards... (SGF/NEODyS)
-- IASF-CNR Mirror (Italy)
Tunguska (Luigi Forschini & Giuseppe Longo, University of Bologna)
Tunguska (Nickolai V. Vassiliev)

Tunguska - The Cosmic Mystery of the Century (ed. Roy A. Gallant)
The Tunguska Event (Giuseppe Longo, Ch. 18 in P. T. Bobrowski & H. Rickman, eds., Comet/Asteroid Impacts and Human Society, An Interdisciplinary Approach (2007), pp. 303-30) PDF
The Tunguska Event and its Interpretation by the Tungus
(Joachim Otto Habeck)
Tunguska Meteorite Paradox (1908-1998), ed. A. E. Zlobin
Tut's gem hints at space impact (BBC News, 19 Jul 2006)
2006 Near-Earth Object Survey and Deflection Study
(NASA, 28 Dec 2006) PDF
-- B612 Foundation copy PDF
2006 XG1 Impact Risk (NASA Near Earth Object Program)
UNB Impact Geology Group (University of New Brunswick)
Uranus, Neptune, and the Mountains of the Moon (G. Jeffrey Taylor, Planetary Science Research Discoveries, 21 Aug 2001)
The Vela Incident: Nuclear Test or Meteorite? (Jeffrey Richelson, ed., National Security Archive Electronic Briefing Book No. 190, 5 May 2006)
Virtual Impactors: Search and Destroy (Andrea Milani et al., 29 Jun 1999)
Webquest: Impact Craters
When the Sky Fell on Our Heads: Identification and Interpretation of Impact Products in the Sedimentary Record (Philippe Claeys, 1995)
Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids (NASA, Arlington, Virginia, 3-6 Sep 2002)
World Craters Page (LPL Space Imagery Center)
Wykrota Observatory - CEAMIG (Cristóvão Jacques et al., Centro de Estudos Astonomicos de Minas Gerais, Brazil)
Wynn, Jeffrey C., & Eugene M. Shoemaker, 'The Wabar Meteorite Impact Site, Ar-Rub' Al-Khali Desert, Saudi Arabia' (USGS, Sept. 1998))
Yahoo! Comets, Meteors, and Asteroids:Earth Impact

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