Meteoroid
Meteoroids are space rocks. They are fragments and debris from asteroids and comets.
These particles continue orbiting the Sun in approximately the same orbit as the parent body from which they came. Over time, they get further away from the parent as the orbit becomes littered with these particles.
When a meteoroid enters the Earth's atmosphere and burns up, it leaves a glowing trail in the sky and is known as a meteor - or, more popularly, a shooting star.
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