Across
- 1. large object that orbits a star
- 4. force that pulls objects toward Earth
- 6. tool used to look at stars and planets
- 8. chunk of ice and dust with a glowing tail
- 9. system of millions or billions of stars
- 10. person trained to go into space
Down
- 2. when the sun or moon is blocked
- 3. path a planet takes around the sun
- 5. space rock that burns when entering Earth’s atmosphere
- 7. object placed in orbit to collect data