Asteroids - Largest of the space rocks also known as planetoids., Comet - It looks like a large, dirty snowball., Meteoroid - A small body moving in the solar system that would become a meteor if it entered the Earth's atmosphere., Meteor - A meteoroid that enter the Earth's atmosphere at high speed and burn up like a fireball or "shooting stars"., Meteorite - A meteoroid survives a trip through the atmosphere and hits the ground.,

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