The Solar System Review

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Across
  1. 2. Venus’ atmosphere is ____________ time denser than Earth’s
  2. 8. a dwarf planet in the Kuiper belt that is egg shaped and named for a hawaiian goddess
  3. 11. Venus is so hot due to the runaway _____________ effect
  4. 12. Mercury has a larger than average _____
  5. 16. one criteria to be a classical planet is to be roughly a ________ under its own gravity
  6. 17. the reddish/brown color on Mars comes from the abundance of ____________
  7. 18. saturn’s rings are only ______ meters thick
  8. 19. Venus’ high albedo is caused by its ________
  9. 22. the icy galilean moon
  10. 25. Mercury is only visible in our sky when the Sun is _____ the horizon
  11. 28. comets usually have 2 tails: a dust tail and an _____ tail
  12. 29. the dwarf planet discovered in the early 1900s that used to be a classical planet
  13. 30. the safer (for humans) galilean moon
  14. 31. the dwarf planet in the Kuiper Belt with a name that is a word repeated twice
  15. 32. the ________ scale is used to measure the danger level of potential impacts on Earth
  16. 36. the big galilean moon
  17. 38. the discoverer of saturn’s rings and the name of the orbit that crashed into the planet
  18. 41. comets usually have 2 tails: an ion tail and a _____ tail
  19. 42. long term comets (with orbits longer than 200 years) spend most of their time in the
  20. 46. one criteria to have a magnetic field
  21. 47. the soviet mission that landed on Venus
  22. 48. Venus has more ____________ than any other planet in the solar system
  23. 49. the molecule that gives uranus and neptune their light blue/green color
Down
  1. 1. venus is _______ as big as Earth
  2. 3. one criteria to be a classical planet is to orbit _________ directly
  3. 4. this moon of Saturn has liquid methane lakes
  4. 5. one of the moon’s of Mars (fear)
  5. 6. the massive impact crater on Mercury is called _________ Basin
  6. 7. the interior pressure of Jupiter causes ________ to act like a metal instead of a gas
  7. 9. Saturn’s north pole has a massive storm in the shape of a ___________ (the bestagon)
  8. 10. water on the rocky planets likely came from
  9. 13. the most recent rover sent to Mars
  10. 14. asteroids that orbit a little ahead or behind a planet are called _______ asteroids
  11. 15. the volcano-y galilean moon
  12. 20. a common molecule in Venusian rain
  13. 21. the dwarf planet in the asteroid belt
  14. 23. this planet has the fastest winds in the solar system because it “isn’t done forming”
  15. 24. one of the moons of Mars (panic)
  16. 26. the orbiter currently hanging out by Jupiter
  17. 27. the “fuzzy” part of a comet is called the _______
  18. 33. the tallest mountain on Mars (and in the solar system)
  19. 34. the moon of Saturn most like Europa
  20. 35. the dwarf planet named for a chinese water deity
  21. 37. the dwarf planet originally named Xena but changed by the IAU
  22. 39. one criteria to have a magnetic field (2 words)
  23. 40. the planet that is tilted over 90 degrees
  24. 43. the only moon in the solar system with a significant atmosphere
  25. 44. how many moons Venus has
  26. 45. the moons of this planet are named after Shakespearean characters
  27. 48. the largest object in the asteroid belt that isn’t a dwarf planet