Across
- 2. a round pit on the moon surface
- 3. A large cloud of gas and dust in space
- 6. the rise and fall of the level of water in the ocean
- 7. A meteor that has hit earth service
- 11. largest plane
- 12. a scientist who studies the stars
- 13. A natural object that orbits a planet
- 15. all of space and everything in it
Down
- 1. an object that revolves around another object in space
- 4. the explosion of a dying star
- 5. The smallest planet closest to the sun
- 8. third planet from the sun
- 9. Gravity, so strong that light can’t even escape
- 10. a device Built to observed, distant objects
- 14. the path of an object As it revolves around another object in space