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Asteroids - Asteroids are rocky leftovers of planet...

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Asteroids ….small, naturally formed solid bodies that orbit the Sun, are airless, and show no detectable outflow of gas or dust. There are 18 different compositional types of asteroids. ranging from solid metal to soggy dirt clods. Most asteroids are “rocky”….consisting of common minerals and free metal. “Irons” composed of almost pure metal (mostly iron and nickel) “Carbonaceous Chondrites” composed of rocky material and carbon rich compounds.
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Unformatted text preview: Asteroids are rocky leftovers of planet formation. Largest is Ceres, diameter ~1,000 km 150,000 in catalogs, and probably over a million with diameter >1 km. Small asteroids are more common than large asteroids. All the asteroids in the solar system wouldn’t add up to even a small terrestrial planet....
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