Planets Crossword Puzzle

12345678
Across
  1. 3. What Venus's atmosphere is mostly made of
  2. 5. A Martian volcano that's over 3 times taller than Mt. Everset
  3. 7. Saturn's ____ is tilted 26.73 degrees
  4. 8. Earth's ______ ______ is made of iron and nickel
Down
  1. 1. Neptune's largest Moon that has geysers that emit nitrogen
  2. 2. Jupiter's magnetic field is about ______ times more powerful than Earths
  3. 4. Mercury is named after the _______ god of trade and profit
  4. 6. A Uranian ____ takes 84 Earth _____