Pale Blue Dot

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Across
  1. 7. Celestial events obscuring the view of other objects
  2. 9. Low broad volcanoes with gentle slopes
  3. 10. The first successful planetary probe, ushering in the age of planetary exploration.
  4. 11. Historic space mission that successfully landed the first humans on the Moon in 1969, led by Neil Armstrong, Buzz Aldrin, and Michael Collins.
  5. 13. An attitude of superiority regarding human beings and human interests.
  6. 14. First human in space
  7. 16. A weather condition where visibility is greatly reduced due to diffuse light scattering by snow or ice particles.
  8. 17. Comet that collided with Jupiter in 1994
  9. 20. Missions exploring the planet Venus
  10. 23. Boundary marking the end of our star's influence.
  11. 24. Missions exploring Mars
  12. 26. Philosphical principle suggesting the universe is finely tuned for human existence
  13. 28. The scientific study of planetary bodies in our Solar System, focusing on their similarities, differences, and evolution over time.
  14. 32. Out-of-control escalation into a hotter world
  15. 34. Space rocks in our proximity
  16. 35. Apparent shift in the position of a star due to Earth's orbit
  17. 38. Saturns largest moon
  18. 39. Probe that landed on Titan in 2005
Down
  1. 1. Greek word for wanderer
  2. 2. Responsible for Persied Meteor shower
  3. 3. The process of engineering a planet to make it more Earth-like for human habitation
  4. 4. Synthetic compounds that harm the ozone layer
  5. 5. A NASA spacecraft launched in 1992 with the goal of studying Mars from orbit.
  6. 6. Eruptions forming volcanic mountains
  7. 8. The hypothetical Soviet plan to use asteroids as weapons during the Cold War
  8. 12. The concept of a specific, preferred point from which observations are made, often associated with geocentric models.
  9. 15. Expansion of worldview beyond local boundaries
  10. 18. Atmospheric phenomenon observed on Venus
  11. 19. Dome-shaped volcanic formations
  12. 20. First manned spaceflight mission
  13. 21. Russian space station
  14. 22. Spacecraft that explored Saturn and its moons
  15. 25. a group of meteorites believed to originate from Mars based on their composition and isotopic signatures.
  16. 27. Dispersion of light causing blue skies
  17. 29. Atmospheric phenomenon trapping heat
  18. 30. Missions mapping Venus' surface
  19. 31. Soviet space mission with two cosmonauts
  20. 32. Out-of-control escalation into a colder world
  21. 33. Geological process involving lava and magma
  22. 36. These form as worlds collide and moons are smashed to smithereens
  23. 37. Large volcanic craters