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