Black Holes: Gravity So Strong Light Cannot Escape

  1. A black hole forms when massive stars collapse under their own gravity.
  2. Its gravity is so intense that nothing—not even light—can escape.
  3. The boundary around a black hole is called the event horizon.
  4. Black holes can be tiny, stellar-mass, or supermassive at galaxy centers.
  5. Our Milky Way hosts a supermassive black hole named Sagittarius A*.
  6. Time slows near a black hole due to extreme gravitational effects.
  7. Black holes can merge, creating powerful ripples in spacetime called gravitational waves.
  8. They consume gas, stars, or even other black holes, releasing immense energy.
  9. In 2019, scientists captured the first image of a black hole’s shadow.
  10. Black holes challenge physics, pushing the limits of relativity and quantum theory.