Across
- 4. what we live on
- 5. somthing that comes out at night
- 8. someone who explores space
Down
- 1. small green man
- 2. a planet that no longer counts
- 3. what you use to get to space
- 6. somthing that an astronaut explores
- 7. the planet closest to the sun
- 9. somthing you use to look at space