Mercury and Venus

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Across
  1. 3. Life may exist in the ________ of Venus
  2. 9. Mercury has an extremely thin ___________
  3. 10. Mercury is similar in size and appearance to the _________
  4. 11. Mercury's axis is only tilted _____ degrees
  5. 12. Mercury is named after the Roman ________ god
  6. 13. Mercury is the _________ planet from the Sun
  7. 14. Because it is so bright, Venus is often mistaken as a _________
Down
  1. 1. Day/Night temperatures on Mercury are very _______
  2. 2. Venus is the ________ planet in the solar system
  3. 4. Unlike Earth, Mercury does not have __________
  4. 5. the atmosphere on Venus is so hot because CO2 is a ___________ gas
  5. 6. In terms of size, Mercury is the __________ planet in the solar system
  6. 7. The length of one year on Mercury is _________ than the length of one year on Earth
  7. 8. Mercury has _________ moons
  8. 11. Mercury is one of the 4 inner or ________ planets
  9. 13. In terms of speed, Mercury is the _________ planet in the solar system