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Cosmic Gravity: Black Hole Phenomena
Moderate difficulty suitable for most players
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Across
  • 1. Region of space with gravitational pull so strong nothing escapes
  • 2. Describes a spinning black hole
  • 4. Point at a black hole’s center where density is infinite
  • 6. Nickname for stretching caused by extreme gravity
  • 7. Theory suggesting black hole information is stored on a surface
  • 8. Boundary around a black hole where nothing escapes
  • 13. Type of star that may collapse into a black hole
  • 15. Relating to the universe beyond Earth’s atmosphere
  • 17. Speed needed to break free from a black hole’s pull
Down
  • 3. Describes extremely compact mass in black holes
  • 5. High-energy radiation often observed near black holes
  • 9. To collect or gather matter around a black hole
  • 10. Force responsible for the formation of black holes
  • 11. Whirling mass of fluid or energy, sometimes used to describe black holes
  • 12. Bending of space-time caused by massive objects
  • 14. Paths objects follow around massive bodies, including black holes
  • 16. Extremely bright objects powered by black hole centers
  • 18. Name of the radius defining a non-rotating black hole’s event horizon
  • 19. Process of matter moving toward a black hole
  • 20. Narrow streams of particles ejected from black holes

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