quiz

Black Holes

Black Holes: Key Facts and Latest Discoveries

1. What is the name of the black hole discovered at the center of the Milky Way galaxy?

  • A) M87
  • B) Intermediate-mass black hole
  • C) Sagittarius A*
  • D) Cygnus X-1
C) Sagittarius A* Explanation

2. What is the name for the point of infinite density in the center of a black hole?

  • A) Event horizon
  • B) Singularity
  • C) Neutron star
  • D) Quasar
B) Singularity Explanation

3. Who coined the term “black hole”?

  • A) Albert Einstein
  • B) Stephen Hawking
  • C) John Wheeler
  • D) Karl Schwarzschild
C) John Wheeler Explanation

4. Which celestial object is considered the first discovered black hole?

  • A) Cygnus X-1
  • B) V404 Cygni
  • C) Sagittarius A*
  • D) M87
A) Cygnus X-1 Explanation

5. Which scientific collaboration captured the first image of a black hole?

  • A) Event Horizon Telescope (EHT)
  • B) Hubble Space Telescope (HST)
  • C) Chandra X-ray Observatory
  • D) Fermi Gamma-ray Space Telescope
A) Event Horizon Telescope (EHT) Explanation

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