SPACE

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Across
  1. 1. - They twinkle at night like small dots in sky
  2. 3. - The largest planet in our solar system
  3. 4. - Gives us light at night and orbits earth
  4. 6. - Our home planet where we live
Down
  1. 2. - Person who is trained to go to space
  2. 5. - A huge system that consists of stars