Astronomy Crossword Puzzle

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Across
  1. 2. first man in space, Soviet
  2. 8. eighth planet from the sun, last planet in the solar system
  3. 9. first man on the moon, American
  4. 12. sixth planet from the sun, known for its rings
  5. 13. the international space station where astronauts from across the world live and work
  6. 14. first woman in space, Soviet
  7. 17. to bend light for the purpose of making something appear bigger
  8. 18. relating to the sun
  9. 21. the part of our galaxy that is made up of the sun and eight major planets
  10. 22. third planet from the sun, only habitable one
  11. 25. dwarf planet in the Kuiper belt, was demoted from planet status
  12. 26. capable of supporting life
  13. 29. gas gases like carbon dioxide (CO2) that trap heat in the atmosphere
  14. 30. seventh planet from the sun, rotates on its side
Down
  1. 1. fifth planet from the sun, the largest gas giant
  2. 3. made up of gases
  3. 4. planet a planet that doesn't meet the three major planet criteria
  4. 5. second planet in the solar system; has a greenhouse-like atmosphere
  5. 6. a device using mirrors to better observe objects in space
  6. 7. someone who works in space
  7. 10. the study of space
  8. 11. fourth planet from the sun, nicknamed "the red planet"
  9. 15. relating to the moon
  10. 16. the bounce light from one point to another
  11. 19. Greek word for "wanderer;" Earth and Jupiter are examples of one; must meet three criteria
  12. 20. relating to the stars
  13. 23. space telescope launched in 1990, provides many stellar pictures
  14. 24. space telescope launched in 2021, more advanced than previous telescopes
  15. 27. earth-like; made up of solid material
  16. 28. first planet in the solar system