The Universe

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Across
  1. 5. powerful and luminous stellar explosion
  2. 6. a distinct body of interstellar clouds
  3. 9. The moon passes between the sun Earth
  4. 10. An arm on the Milky Way;where Earth is
  5. 11. early stage in the formation of a star
Down
  1. 1. 2 atoms fuse together
  2. 2. a region where gravity is so strong that nothing can escape it
  3. 3. The moon moves into the Earth's shadow
  4. 4. A star that is brighter than a giant
  5. 7. The amount of energy a star emits from the surface
  6. 8. scatter plot of stars