Across
- 2. This orbits the Earth once every 27 days
- 3. The Earth rotates on this
- 6. A collection of stars and planets
- 7. This is a space rock that enters the Earth's atmosphere causing a bright streak
- 9. This star gives us light
- 10. An instrument that helps us see things that are far away
Down
- 1. A vehicle to transport people into space
- 4. This happens when the moon passes between the sun and the Earth
- 5. The planet furthest away from the sun
- 6. A force that keeps objects on the ground
- 8. The planet closest to the sun