Across
- 4. It sucks everything around it
- 7. The study of space and stars
- 8. The biggest moon orbiting Saturn
- 9. How we explore mars
Down
- 1. Closest star system and closest planetary system to Earth's Solar System
- 2. It's the galaxy we live in
- 3. The explosion of a star
- 5. when one heavenly body such as a moon or planet moves into the shadow of another heavenly body
- 6. A cavity on the surface of a planet