what is comet and metroids
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metroids
a small body moving in the solar system that would become a meteor if it entered the earth's atmosphere.
Comets are basically dusty snowballs which orbit the Sun. They are made of ices, such as water, carbon dioxide, ammonia and methane, mixed with dust.
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A body of ice, rock and dust that can be several miles in diameter and orbits the sun. ... It originates from a comet or asteroid. Meteor: A meteoroid that enters the earth's atmosphere and vaporizes. Also called a “shooting star.” Meteorite: A meteor that hits Earth without burning up in the atmosphere.
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