Understanding Black Holes

Who coined the term 'black hole'?

• John Mitchell

• Perry Simon Laplace

• John Archibald Wheeler

• Albert Einstein

What is the primary reason black holes are invisible?

• They are too far away

• They do not emit or reflect light

• They are hidden behind other celestial bodies

• They are too small

How are black holes formed?

• When a comet hits a star

• When galaxies collide

• When a star explodes in a supernova

• When a planet collapses

What can black holes absorb as they grow?

• Light and mass, including other stars

• Only small asteroids

• Only light

• Only planets

Which of the following is true about black holes?

• They are all stationary

• They live forever

• They all have the same mass

• They can have the mass of several million suns