Space crossword

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Across
  1. 4. Moon passing between the earth and sun
  2. 6. Rocky particles left from the formation of the solar system
  3. 7. closest planet to the sun
  4. 8. Where everything including space is contained
Down
  1. 1. Planet with a lot of moons
  2. 2. dwarf planet
  3. 3. explosion of a star
  4. 4. the place where every planet and star is contained
  5. 5. another galaxy close to the Milky Way galaxy
  6. 9. Organisation that works with space