Across
- 1. Large chunks of ice, dust, and rock
- 5. Massive collections of gas
- 7. Piece of metal or rock
- 8. huge collection of gas, dust with billions of stars and planets
Down
- 2. Falling and rising of bodies of water
- 3. Large celestial objects
- 4. Study of space
- 6. Everything that exist
- 7. type of satellite