Across
- 2. a series of 7 exoplanets orbitting a very cool red dwarf
- 3. a space observatory
- 5. where the Tuskunga Event took place
- 6. life on Earth naturally arose from early chemical conditions
- 7. Transitting Exoplanet Survey Satellite
- 8. Search for Extraterrestrial Intelligence
- 9. the letter ranged used to describe the exoplanets in Trappist1
- 11. "Are we alone?"
- 12. used in Project S.E.T.I.
- 13. where life would most likely be
- 14. common form, common need
- 15. the area where planets are good to live on
Down
- 1. estimate on population of active extraterrestrials
- 4. the term for if the planets orbitted the sun
- 10. can prevent life from happening