Across
- 3. Theory that the earth was the center of the universe.
- 5. A device used to make distant objects appear closer.
- 6. someone who studies space
- 7. everything in space as a whole
- 10. study of space beyond our atmosphere
- 11. Path of an object around another object in space
Down
- 1. Theory that the sun is the center of the solar system
- 2. A hole in the surface of a planet or moon caused by a rock from space hitting the surface.
- 4. When an object travels around another object
- 6. An imaginary line going through the center of a sphere’s north and south pole
- 8. A planets spin on its axis
- 9. A force the pull objects towards the center of a celestial body