Across
- 1. to travel to a new place
- 2. a giant hole in a planet
- 4. objects made of ice or dust that orbit the earth
- 7. someone who explores space
- 9. a red planet
Down
- 1. the planet we live on
- 3. a ship used to get to space
- 5. the object that orbits the earth
- 6. the hottest planet
- 8. objects that come out at night