MYSTERY

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Across
  1. 2. this is considered the birth of universe
  2. 6. this is expected to happen when we go near black hole
  3. 9. tentative insight that is not yet verified or tested
  4. 12. a place where matter is compressed down to an
Down
  1. 1. space completely break down
  2. 3. tiny point, and all conceptions of time
  3. 4. force that attracts objects
  4. 5. a large empty space
  5. 7. closest galaxy to our galaxy
  6. 8. the boundary in black holes after which even light cannot escape
  7. 10. a system of stars, planets and other celestial bodies
  8. 11. fastest moving object in universe