Black Hole Crossword

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Across
  1. 2. The minimum speed needed to escape the pull of an object
  2. 4. Center of a black hole where density is practically infinite
  3. 5. Irregular flashes of bright light that generate more energy than a supernova
  4. 9. A disk of matter that forms around black holes
  5. 10. Maximum limit of mass a white dwarf can have and remain stable
  6. 13. One of two outcomes for dying high mass stars typically of the smaller ones
  7. 14. The other outcome for supernovas, generally for the much larger stars
  8. 15. Type of neutron star when the magnetic field is extremely strong
Down
  1. 1. The massive release of energy from a high mass star leading to a black hole or neutron star
  2. 3. Type of radiation believed to emit from black holes
  3. 6. Radius of a black hole where its escape velocity is equal to the speed of light
  4. 7. The concept of time slowing down when looking at a black hole from the outside
  5. 8. Energy emissions in the form of violent eruptions that make the star much brighter for a few seconds
  6. 11. Point of no return for a black hole
  7. 12. Object in space that emits a pattern of flashes every few seconds like a pulse