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STAR AND PLANETS
| Term | Definition |
|---|---|
| 1. rotate | to spin around an axis. |
| 2.axis | an imaginary line that runs through of earth from the north pole to the south pole. |
| 3. revolve | to travel in a closed path around the sun. |
| 4. orbit | an object path in space around another object. |
| 5. moon | a small planet like body that revolves around earth rather than the moon |
| 6. phases | as the moon revolves around the earth different amounts of its lit |
| 7. solar system | is a group of object in space that orbit a star in the center plus the star itself |
| 8. planet | is a large object that revolves around a star in a clear orbit |
| 9. dwarf planet | also revolves around a star but its path is not clear orbit |
| 10. comet | a ball of rock ice and frozen gases |
| 11. star | a huge ball of superheated gases |
| 12. sun | a star that is at the center of our solar system |
| 13. constellation | a group of stars that form an imaginary picture in the sky |
| 14. galaxy | a huge system of gases, dust, and stars |
| 15. universe | everything that exists in space |