Solar System Review

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Across
  1. 4. hottest planet in the solar system
  2. 6. the largest planet in our solar system
  3. 9. scientists say the big ____ created the universe
  4. 11. this is a hole left by impact from space objects
  5. 12. this planet was the first discovered by telescope
  6. 14. the second largest dwarf planet
  7. 15. an explosion happens when a star runs out of...
  8. 18. comets have this feature that follows them
  9. 19. solar ______, particles emitted from the Sun
  10. 22. the galaxy we are in is the Milky ___
  11. 23. our galaxy is this type
  12. 25. OMS's original mascot
  13. 26. a "shooting star" of gas and ice
  14. 29. new stars are born here
  15. 31. dwarf planet located in the asteroid belt
  16. 32. it means the moon is losing light
  17. 33. _____ belt, the area beyond Neptune
  18. 34. Jupiter is an example of a ___ giant
  19. 35. the sun's name
  20. 36. the center of the Earth
  21. 38. this is the largest natural satellite of Earth
  22. 39. the "cloud" on the edge of our solar system
  23. 40. ____ giants, planets such as Uranus & Neptune
Down
  1. 1. planet furthest from the sun
  2. 2. the larger of Mars' moons
  3. 3. planet closest to the sun
  4. 5. the only habitable planet in our solar system
  5. 7. this is the largest manmade satellite of Earth
  6. 8. Pluto is an example of a _____ planet
  7. 10. being suitable or good enough to live in
  8. 13. when the moon isn't lit, it's a ___ moon
  9. 16. one of Jupiter's moons that may be habitable
  10. 17. it means the moon is gaining light
  11. 20. the smaller of Mars' moons
  12. 21. a _____ hole has very powerful gravity
  13. 23. this planet has the most visible rings
  14. 24. it stopped being a planet in 2006
  15. 27. what the "O" in OMS stands for
  16. 28. Earth's magnetic _____ protects it
  17. 30. the third most abundant gas in Earth's atmosphere
  18. 35. the sun is one of these
  19. 37. the path one object follows around another
  20. 38. it is known as the "red planet"