Space

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Across
  1. 4. a collection of 8 planets and their moons
  2. 5. a continuous area
  3. 8. fixed luminous point in the night sky
  4. 9. the planet we live on
  5. 10. travel through an unfamiliar area
Down
  1. 1. a system of billions of starts together with gas
  2. 2. the person that goes into space
  3. 3. there are 8 of these in the solar system
  4. 5. the largest star in the solar system
  5. 6. envelope of gases surrounding planets
  6. 7. curved path of a spacecraft or celestial body