Black Holes

2. Who first proposed the idea of black holes?
3. when an object gets stretched due to the gravitational pull of a black hole
7. ripples in spacetime
9. a type of black hole that falls between the mass of stellar black holes and supermassive black holes
10. Black holes are mostly detected by their
12. standard unit of mass in astronomy
15. when the speed an object needs to travel to overcome the black hole's immense gravity and escape its event horizon
17. What type of black hole is at the center of most large galaxies?
19. What type of black holes form when extremely massive stars collapse
25. Super Massive Black hole at the center of the milky way

1. powerful beams of plasma that are ejected from supermassive black holes
4. A system built of billions of stars
5. The type of radiation that black holes emit due to quantum effects, causing them to shrink and evaporate over time
6. The closer you get to a black hole time gets
8. the point of no return around a black hole
11. A region in space with such immense gravity nothing can escape, not even light
13. smallest type of black holes
14. The density of the center of a black hole is…
16. the predicted central point of a black hole where infinite density and gravity occur
18. When a structure forms around a black hole made from orbiting gas, plasma, or dust.
20. Laser Interferometer Gravitational-Wave Observatory
21. 299,792,458 meters per second.
22. What constellation has the closest black hole in it from earth
23. The galaxy that contains our solar system
24. created the general theory of relativity and predicted the existence of black holes