Term | Definition |
---|---|
An asteroid | is a piece of rock and metal that orbits the sun. |
A satellite | is a body in space that orbits a larger body. It can be natural or artificial. |
A meteor | is a piece of rock, smaller than an asteroid, that enters Earth's atmosphere and burns up. It DOES NOT orbit. |
A comet | is a ball of ice, rock, and frozen gasses that orbits the sun. |
A galaxy | is a huge system of stars bound together by gravity. |