Space

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Across
  1. 5. Where all of our planets lie
  2. 6. Name of the longest orbiting satellite
Down
  1. 1. One of the rovers that landed on Mars. Begins with "C"
  2. 2. Name of the nearest galaxy
  3. 3. Theory of how the universe came to be
  4. 4. How many identified dwarf planets there are
  5. 6. Name satellite traveled the farthest