Across
- 5. People who who go to space
- 6. The Earth spins on it's ____
- 7. Name of an element
- 9. Earth is a ______
Down
- 1. It is the largest planet in the Solar System
- 2. A force that keeps us to the ground
- 3. _____ is the only habitable planet we know
- 4. This planet is known for smelling bad
- 7. Earth's ____ is called Luna
- 8. The Hubble Space _________ is the strongest _________