Black Holes/Neutron Star/pulsars crossword

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Across
  1. 2. point at which a black hole's density and gravitational field become infinite
  2. 7. neutron stars can be formed from only these kinds of red giant stars
  3. 8. a mass spins faster as it shrinks; neutron stars abide by the law of ________ ______
  4. 9. The speed needed for an object to escape from the gravitational pull of another object based on relativity
  5. 11. structure outside of a black hole that is made of light and heated matter
  6. 12. Critical radius at which the escape speed of an object would equal the speed of light and the object can no longer be seen
  7. 14. neutron stars and black holes are created from this phenomenon
  8. 15. star an extremely small and extremely dense leftover collapsed core of a star.
Down
  1. 1. A neutron star that spins hundreds of times per second.
  2. 3. the term that refers to how light travels in circles around black holes
  3. 4. a neutron star that has a magnetic field that is much stronger than other neutron stars
  4. 5. spherical boundary of a black hole
  5. 6. beams of ionized matter sent out by black holes
  6. 10. all ______ are neutron stars but not all neutron stars are _______
  7. 13. a neutron star is small, but is notable because of this property related to gravity/weight