Asteroids, Meteoroids & Comets

Made of ice, dust and gas

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• meteor

Appears as a streak in the sky.

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Made of very dense rock and metal that is very different from the rocks that make up the inner planets.

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• meteor

Found in the Oort Cloud

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Often called shooting stars.

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Made of rocks that are very similar to the rocks that make up the inner planets. 

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• meteors

Sometimes called "dirty snowballs".

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• meteors

Ceres is the largest one of these. 

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• meteor

Piece of rock that burns up as it passes through the earth's atmosphere.

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• metoer

Burns and vaporizes as it nears the sun.

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• meteorite