Space

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Across
  1. 2. the largest stage of a sun
  2. 3. the largest explosion ever seen
  3. 4. another name for radio static
  4. 7. one of the earliest stages of a sun
  5. 8. a place where the highest amount of gravity exists
  6. 9. the biggest possible object in space
Down
  1. 1. the longest stage of a sun
  2. 5. a dead star
  3. 6. a cluster of star dust