Across
- 4. an icy, dirty snowball-like body that orbits the sun
- 5. the distance of one light year
- 6. an object that helps us to see further into space
- 7. a large rocky body found mainly between Jupiter and Mars
- 8. planets orbiting a star
- 10. an area in the universe made of billions to trillions of stars
- 11. used to measure distances outside of the solar system
Down
- 1. the streak of light when a small, rocky body from space enters our atmosphere
- 2. used to measure distances within the solar system
- 3. the name of our galaxy
- 9. center of our solar system