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Space
| Term | Definition |
|---|---|
| solar system | made up of a star and the planets and other bodies that revolve around it |
| the sun | the star at the center of our solar system |
| planet | a large round bod that revolves around a star in a clear orbit |
| asteroid | made of rock and metal |
| comet | a ball of rock and frozen gases |
| seasons | caused by the tilt of Earth's axis and its orbit |
| orbit | the path that an object takes around another object in space |
| axis | the imaginary line Earth rotates around |