Across
- 1. circular orbit
- 3. Made up of gas, dust, and stars
- 4. Made of ice, methane, ammonia, and dust
- 5. Sun's atmosphere
- 7. Either terrestrial or gaseous
- 8. Comets originate from...
- 9. Rock in a planet's atmosphere
- 10. Galaxy we live in
Down
- 2. uses mirrors to produce images of space
- 6. Located between Mars and Jupiter