Black Holes

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Across
  1. 4. The type of radiation that black holes emit due to quantum effects, causing them to shrink and evaporate over time
  2. 8. when the speed an object needs to travel to overcome the black hole's immense gravity and escape its event horizon
  3. 9. ripples in spacetime
  4. 13. a type of black hole that falls between the mass of stellar black holes and supermassive black holes
  5. 15. A system built of billions of stars
  6. 18. The density of the center of a black hole is…
  7. 20. The closer you get to a black hole time gets
  8. 21. smallest type of black holes
  9. 22. jet powerful beams of plasma that are ejected from supermassive black holes
  10. 24. What constellation has the closest black hole in it from earth
Down
  1. 1. Black holes are mostly detected by their
  2. 2. when an object gets stretched due to the gravitational pull of a black hole
  3. 3. The galaxy that contains our solar system
  4. 5. What type of black hole is at the center of most large galaxies?
  5. 6. of light 299,792,458 meters per second.
  6. 7. What type of black holes form when extremely massive stars collapse
  7. 10. When a structure forms around a black hole made from orbiting gas, plasma, or dust.
  8. 11. the predicted central point of a black hole where infinite density and gravity occur
  9. 12. A. Super Massive Black hole at the center of the milky way
  10. 14. created the general theory of relativity and predicted the existence of black holes
  11. 16. standard unit of mass in astronomy
  12. 17. Laser Interferometer Gravitational-Wave Observatory
  13. 19. the point of no return around a black hole
  14. 23. Who first proposed the idea of black holes?