Across
- 1. a space rock that burns up in a planet's atmosphere
- 5. a group of solar systems
- 7. a small rock that travels around the sun
- 9. a round figure that orbits a star
- 10. a group of galaxies
Down
- 2. an object to see faraway things closer
- 3. to travel around a star or planet; a curved path
- 4. to set in motion
- 6. a person who travels into outer space
- 8. relating to the sun