Astrobiology

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