Space

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Across
  1. 1. What planet has no moons?
  2. 4. What was the first rocket to go to space?
  3. 6. The thing that takes up 99.86% of our universe
  4. 7. Name a dwarf planet
  5. 8. What is one thing found in a comet?
  6. 9. What happens when Earth comes between the Sun and the Moon?
Down
  1. 2. What planet's day length is 11 hours long?
  2. 3. What planet has the most moons?
  3. 5. What is the second coldest planet?