Space

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Across
  1. 2. a place in space where gravity pulls so much that even light can not get out
  2. 5. the closest planet to the sun
  3. 6. a dwarf planet
  4. 7. the biggest planet in our solar system
Down
  1. 1. our galaxy
  2. 3. where the sun and all of our planet are
  3. 4. the farthest planet to the sun