Across
- 3. The planet most similiar to earth
- 8. The outer atmosphere of a star
- 9. 1.3 million earths fill up this star
- 10. a small rock that is orbiting the sun
- 12. The planet that Elon Musk wants human being to live on
- 13. The red planet
- 14. A unit of astronomical distance equivalent to the distance that light travels in a year
Down
- 1. The largest planet
- 2. The smallest planet
- 4. a place in space where matter and light cannot escape if they fall in
- 5. A group of stars in the sky
- 6. Elon Musk's cmopany for space exploration
- 7. The planet with the worst weather
- 11. The sixth planet from the sun
- 13. Too bright for the human eye to see