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Brief and Straightforward Guide: What are Asteroids and Comets Made Of? ... There are several different types of asteroid classification systems in use, ... This blackness stems from organic compounds that comets are made of - long-chains of carbon-containing molecules, such as hydrocarbons. Imagine a ball of material similar to...
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www.wisegeek.com/what-are-asteroids-and-comets-made-of....
www.wisegeek.com/what-are-asteroids-and-comets-made-of.htm
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Asteroid Fact Sheet ... Information on Asteroid 433 Eros ... Moon discovered orbiting asteroid 45 Eugenia - Announcement of discovery made in November 1998...
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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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Learn How Big Space Is With KidsAstronomy.com ... The asteroid belt is divided into an inner belt and an outer belt. The inner belt which is made up of asteroids that are within 250 million miles of the Sun contains asteroids that are made of metals.
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www.kidsastronomy.com/asteroid.htm
www.kidsastronomy.com/asteroid.htm
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The near-Earth asteroid Eros is made of material that has not been much altered since its accretion from the circum-Solar dust disk 4.5 billion years ago, never subjected to the melting and separation of its materials into distinct layers -- e.g., differentiated into metallic core, mantle, and crust -- as happened with...
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www.solstation.com/stars/asteroid.htm
www.solstation.com/stars/asteroid.htm
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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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Animation shows how ancient asteroid made Jell-O of Earth at Chicxulub crater in Mexico's Yucatan Peninsula. The impact, which may have triggered thedinosaur extinction, caused fluidization (or fluidisation) which formed a central peak. ... Ancient Asteroid Made Jell-O of Earth at Chicxulub Crater in Mexico's Yucatan ;
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www.space.com/scienceastronomy/planetearth/asteroid_jel...
www.space.com/scienceastronomy/planetearth/asteroid_jello_001122.html
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Why 433 Eros? As some asteroids in the main belt between Mars and Jupiter are hundreds of miles across, wouldn't they have made more interesting targets? ... Instead of sharp edges where it could have broken off a larger body or been struck by another asteroid, peaks and crater rims are rounded and worn--perhaps by a...
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science.nasa.gov/headlines/y2002/05apr_hitchhiker.htm
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"We don't know yet what this asteroid is made of," he continued, "but we'll have a much better idea by the end of August." Astronomers using ground-based telescopes will have little trouble recording the asteroid's spectrum and thus its composition.
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science.nasa.gov/headlines/y2002/30jul_ny40.htm
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