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stars and planets
vocabulary
| Term | Definition |
|---|---|
| 1.rotate; | to spin around an axis. |
| 2. axis | an imaginary line that runs through the center 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's path in space around another object. |
| 5.moon | a small planet-like body that revolves around earth rather than the sun. |
| 6.phases | as the moon revolves around earth, different amounts of its lit surface can be seen. |
| 7.solar system | is a group oF objects in space that orbit a star in the center, plus the star itself. |
| 8. planet | |
| 9. dwarf planet | |
| 10. comet | |
| 11. star | |
| 12. sun | |
| 13. constellation | |
| 14. galaxy | |
| 15. universe |