SOLAR SYSTEM

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Across
  1. 2. Astronaut's special clothes.
  2. 5. A huge space family of stars.
  3. 6. Fluffy sky stuff.
  4. 7. Space car to go to a planet.
Down
  1. 1. Big hot ball in the sky.
  2. 2. Shiny dots in the sky at night.
  3. 3. A super-strong space vacuum.
  4. 4. Earth's night friend.