Space

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Across
  1. 5. invisible matter starts with "dark."
  2. 6. when a star dies.
  3. 8. opposite of day.
  4. 9. ball of rock or gas with a molten core.
Down
  1. 1. how the world began in space terms
  2. 2. densest object in space ever.
  3. 3. invisible energy starts with "dark."
  4. 4. cloud of hot gas
  5. 6. the fabric of space
  6. 7. big ball of fire