Across
- 1. Where everything is
- 3. Part of what we breathe
- 5. Gas around a planet
- 7. An instrument that lets us see far away.
- 8. Space debris that enters the atmosphere
- 10. The milky way _____
Down
- 2. A person who travels in outer space
- 4. Something that does not come from Earth
- 6. The vehicle used to travel in outer space
- 9. What Earth is