Black Holes Trivia Questions

Sample Black Holes Questions

Think you know the answers? Play to find out.

1. 1.This boundary marks the point of no return around a black hole, beyond which nothing—not even light—can escape.

   • Event horizon
   • Photon sphere
   • Schwarzschild radius
   • Accretion disk

2. 2.This famous physicist's equations from 1915 first predicted the existence of black holes as a consequence of curved spacetime.

   • Isaac Newton
   • Albert Einstein
   • Stephen Hawking
   • Niels Bohr

3. 3.This is the term for the swirling disk of gas and matter that spirals around a black hole before falling in.

   • Corona
   • Event horizon
   • Accretion disk
   • Singularity

4. 4.This type of black hole forms when a massive star collapses at the end of its life in a supernova explosion.

   • Stellar black hole
   • Supermassive black hole
   • Primordial black hole
   • Intermediate black hole

5. 5.This is the infinitely dense point at the very center of a black hole where all the mass is concentrated.

   • Event horizon
   • Photon sphere
   • Schwarzschild radius
   • Singularity

6. 6.This is the common term for the enormous black holes found at the centers of most galaxies, with masses millions to billions times that of the Sun.

   • Supermassive black hole
   • Stellar black hole
   • Micro black hole
   • Primordial black hole

7. 7.This British physicist theorized that black holes emit radiation and slowly evaporate over time, a process now named after him.

   • Roger Penrose
   • Brian Cox
   • Stephen Hawking
   • Martin Rees

8. 8.This force, one of the four fundamental forces of nature, is responsible for creating and shaping black holes.

   • Electromagnetic force
   • Gravity
   • Strong nuclear force
   • Weak nuclear force

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