Black Holes

123456789101112131415
Across
  1. 4. Failed Supernova
  2. 6. Bright, irregular flashes of gamma rays lasting for just a few seconds
  3. 8. A collection of matter that surrounds the black hole
  4. 10. The mass of a neutron star exceeds 3 solar masses
  5. 12. Composed entirely of neutrons packed tightly together. About the size of New York City
  6. 14. Horizon The "surface" of a black hole
  7. 15. What happens to time when you get close to a black hole and it becomes dialated
Down
  1. 1. The lighthouses of space
  2. 2. emit their energy in violent eruptions lasting only seconds, each thousands of times brighter than the sun
  3. 3. Neutron star with a magnetic field 1,000 times stronger than Earth's
  4. 5. The fate of all stars about 25x the mass of our sun
  5. 7. The point of an infinite gravitational field and density
  6. 9. At the event horizon the ____ is so great that space folds over on itself causing objects to be trapped and dissapear
  7. 11. The critical radius at which the escape speed of an object would equal the speed of light
  8. 13. When the entire star is shattered and dispersed