Across
- 5. The object at the center of our universe
- 6. The place where most asteroids orbit
- 7. The fourth planet from the sun
- 8. The force that keeps us down
- 10. A device used to zoom in to the night sky
Down
- 1. The earth is a _____
- 2. The name of the group of planets that orbit the sun
- 3. The name for when a object is circling another object
- 4. A person who explores space
- 8. The type of thing the milky way is
- 9. The object that orbits the earth