Crossword....Space

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Across
  1. 3. Aliens may exist?
  2. 5. starts with m and ends with y
  3. 7. Solar flares
  4. 8. home
Down
  1. 1. a big space station that is INTERNATIONAL
  2. 2. a ring of rock
  3. 4. Im big and I have an eye
  4. 5. earths little brother
  5. 6. a dwarf planet not really a planet..