Comets and Meteor Showers Includes news, information, professional and amateur observations as well as historical research. Compiled by Gary W. Kronk. http://comets.amsmeteors.org/

The Physics of: Asteroids, Comets and Meteoroids Physics of asteroids, comets and meteoroids. Application with Newton's and Kepler's Laws, kinetic and potential energy. http://ca.geocities.com/spacephysicsisu/

Peter G. Brown Research in fireballs, meteorite falls, and near Earth objects. http://phobos.astro.uwo.ca/~pbrown/

Minor Planet Center International clearing house for observations of asteroids and comets. http://cfa-www.harvard.edu/iau/mpc.html

Minor Planet Mailing List Forum for discussion of asteroids and comets. http://www.bitnik.com/mp/

Orbits Interactive 3D orbit visualization for known asteroids and comets. http://neo.jpl.nasa.gov/orbits/

Planetary Data System: Small Bodies Node Data concerning asteroids and comets, in a standard format for use primarily by astronomical observers and mission planners, as well as educators and students. http://pdssbn.astro.umd.edu/

Spacelink: Small Bodies Instructional materials from NASA on Asteroids, Comets, and Meteors. http://spacelink.msfc.nasa.gov/Instructional.Materials/Curriculum.Support/Space.Science/Our.Solar.System/Small.Bodies/

Chiron Information and Documentation A minor body with dual status as both asteroid and comet. http://www.vub.ac.be/STER/www.astro/chihp.htm

NASA Planetary Photojournal: Asteroid and Comets Selected NASA images. http://photojournal.jpl.nasa.gov/target/Other

USGS Astrogeology: Other Objects Official names of features on asteroids as approved by the International Astronomical Union. Data and images for selected asteroids and comets. http://astrogeology.usgs.gov/SolarSystem/OtherObjects/

Asteroids and Comets Data from across NASA, compiled at the National Space Science Data Center. http://nssdc.gsfc.nasa.gov/planetary/planets/asteroidpage.html

Asteroid/Comet Connection A digest of news related to asteroids, comets, and meteors. Monitors changes in impact risk calculations. Includes links to original sources of information. http://www.hohmanntransfer.com/news.htm

NOVA Online: Doomsday Asteroid Transcript of the television broadcast, kitchen comet activity, general information on comets. http://www.pbs.org/wgbh/nova/spacewatch/

Aerospaceguide.net: Near Earth Asteroid Descriptions of asteroids, comets, and near Earth objects. http://www.aerospaceguide.net/nearearthasteroids.html

Margate Public Library: Asteroids Directory grouped by Asteroids, Asteroid Belt, Comets, Kuiper Belt, Meteors. http://www.margatelibrary.org/asteroids.html

Startdate Online: Leftovers Fact sheets on asteroids and comets, index to radio broadcasts on related topics. From the McDonald Observatory. http://stardate.org/resources/ssguide/leftovers.html

Asteroids, Comets, and Meteorites: Their Intimate Relation with Life on Earth A curriculum prepared by the Yale-New Haven Teachers Institute. http://www.yale.edu/ynhti/curriculum/units/1996/6/96.06.03.x.html

Dr. Odenwald's Ask the Astronomer page: Asteroids, Meteors and Comets Extensive FAQ. http://www.itss.raytheon.com/cafe/qadir/ametcom.html

Keeping an Eye on Space Rocks Overview of asteroids, comets, and meteors, with special attention to the impact hazard to Earth. http://www.jpl.nasa.gov/templates/flash/neo/neo.htm