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11-01-2016
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An icy piece of rock or rock fragment moving through space is known as a
A. meteorite.
B. comet.
C. meteoroid.
D. meteor.

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11-01-2016

A comet can be defined as
"a celestial object consisting of a nucleus of ice and dust and, when near the sun, a “tail” of gas and dust particles pointing away from the sun."

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