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Solar System
Vocabulary Review
| Term | Definition |
|---|---|
| Star | An object in space that produces its own heat and light. |
| Moon | A natural satellite that orbits a planet. |
| Solar System | A sun and all the objects that move around it. |
| Orbit | The path that one object in space takes around another object in space. |
| Gravity | The force that pulls objects toward each other |
| Asteroid Belt | The group of rocks that separates the inner from the outer planets. |
| Planet | A large solar system object that orbits the sun. |
| Rotation | The spinning of an object on its axis. |
| Revolution | One complete trip around the sun. |
| Earth | The only known location for life in the solar system. |