black holes

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Across
  1. 4. theory claiming black holes are the result of a very dense mass curving spacetime
  2. 5. way into another universe
  3. 9. death by a black hole
  4. 10. not even this can escape a black hole
  5. 11. where black holes live
  6. 12. developed theory of general relativity
Down
  1. 1. the point of no return
  2. 2. the most basic type of black hole
  3. 3. the most common type of black hole
  4. 6. one of the four types of blackholes
  5. 7. formed by a supernova/stellar death
  6. 8. the Laser Interferometer Gravitational-wave Observatory