NSSDC Lunar & Planetary Science: Asteroids Page ... Asteroid Fact Sheet ... Information on Asteroid 433 Eros...
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nssdc.gsfc.nasa.gov/planetary/planets/asteroidpage.html
nssdc.gsfc.nasa.gov/planetary/planets/asteroidpage.html
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The image above is a false color view of the asteroid 951 Gaspra taken by the Galileo spacecraft. Below is a table of information on selected asteroids, and at the bottom of the page are comments on the asteroids.
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nssdc.gsfc.nasa.gov/planetary/factsheet/asteroidfact.ht...
nssdc.gsfc.nasa.gov/planetary/factsheet/asteroidfact.html
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The big news this week is the impact on Jupiter that took place on July 19, 2009. This appears analogous to the 1994 impacts of Comet Shoemaker-Levy 9, except that in this case the hit was from a single projectile. ... Asteroid and Comet Impact Hazards title...
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The asteroid Ida is about 35 miles (55 kilometers) long. It is one of thousands of asteroids in the asteroid belt, a region between the orbits of Mars and Jupiter. Image credit: NASA ... An asteroid is any of numerous small planetary bodies that revolve around the sun. Asteroids are also called minor planets or...
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www.nasa.gov/worldbook/asteroid_worldbook.html
www.nasa.gov/worldbook/asteroid_worldbook.html
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Undetected until only days ago, the asteroid whizzed by on Monday—and could be back for a return visit. ... Discovered only days ago, asteroid 2009 DD45 zipped between our planet and the moon at 13:44 universal time (8:44 a.m. ET). The asteroid was moving at about 12 miles (20 kilometers) a second when it was closest...
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news.nationalgeographic.com/news/2009/03/090302-asteroi...
news.nationalgeographic.com/news/2009/03/090302-asteroid-earth.html
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The largest asteroid by far is 1 Ceres. It is 974 km in diameter and contains about 25% of the mass of all the asteroids combined. The next largest are 2 Pallas, 4 Vesta and 10 Hygiea which are between 400 and 525 km in diameter.
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www.nineplanets.org/asteroids.html
www.nineplanets.org/asteroids.html
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NASA ; Larger image; Stoney asteroid ; 243 Ida and its satellite ; Dactyl (more ; information and orbit). ... As dark as soot, carbonaceous asteroid 253; Mathilde is rich in carbon compounds and other dark substances common in the outer region of the Main Asteroid Belt (more). Mathilde is like a loose rubble...
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www.solstation.com/stars/asteroid.htm
www.solstation.com/stars/asteroid.htm
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Origin of asteroids Asteroid impacts ... Asteroid names Asteroid classes Asteroid groups ... Asteroid Gaspra taken by NEAR-Shoemaker as it flew by...
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www.daviddarling.info/encyclopedia/A/asteroid.html
www.daviddarling.info/encyclopedia/A/asteroid.html
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