Across
- 1. spacecraft that can carry a crew into space and back to Earth
- 6. huge group of stars, star systems, dust, and gas in space
- 9. spinning of a planet on its axis
- 10. movement of an object around another
- 12. natural satellite
- 13. all of space and everything in it
- 14. imaginary line about which Earth rotates
Down
- 1. longest or shortest day of the year
- 2. eclipse caused when the Earth blocks sunlight from reaching the moon
- 3. eclipse caused when the moon blocks sunlight from reaching Earth
- 4. study of objects in space and their movements
- 5. force of attraction between objects
- 7. "Equal day - equal night"
- 8. tendency to resist a change in motion
- 11. a push or a pull