Planets

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Across
  1. 5. The nearest (Mercury is the ______ planet to the Sun).
  2. 6. The ability to hold something (e.g., Jupiter has the ______ to hold 1,321 Earths).
  3. 7. Made up of (Saturn’s rings are ______ of ice and dust).
  4. 8. A little bit (Mars is ______ smaller than Earth).
  5. 9. Almost the same (Venus and Earth are ______ in size).
Down
  1. 1. Always, continuously (Venus is ______ covered with clouds).
  2. 2. Saw or noticed something (Galileo first ______ Saturn’s rings in 1610).
  3. 3. Thicker, deeper, or denser (Venus has a much ______ atmosphere than Earth).
  4. 4. Small pieces of something (Saturn’s rings are made of ice and dust ______).
  5. 5. To finish something (Neptune takes 165 years to ______ its orbit around the Sun).