Space and planets

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Across
  1. 2. a red planet that's smaller than Earth
  2. 4. Sun every planet in our solar system is rotating around this star
  3. 5. the biggest planet in our solar system
  4. 7. a brown-ish planet that has rings around it
  5. 9. a dwarf planet beyond Neptune
Down
  1. 1. a blue planet very far away from the Sun
  2. 2. the planet closest to the Sun
  3. 3. a planet that's almost the same size as Earth
  4. 6. Milky Way the galaxy that we live in
  5. 8. the planet closest to Neptune