Black hole Quiz

At the event horizon of a black hole, time ___

• slows to a crawl
• essentially stops
• speeds up
• reverses

Due to gravity,  your clock ticks a bit slower than for someone  ___

• in a deep mine
• near a neutron star
• far away from planets and stars
• near a black hole

Why are black holes...black?

• There are no stars to produce light.

• Light waves die inside.

• The gravity pulls stronger/faster than the speed of light, so light cannot escape.

• No one paid the electric bill.

Black holes come in different sizes, but for all of them, the escape velocity is ___

• a fraction of the speed of light
• nearing the speed of light
• at the speed of light
• greater than the speed of light

How are Black Holes formed?

• i dont know

• When planets explode

• When Quantum Fluctuation take place

• Stellar Death

The vertical stretching of an object, as it falls into a black hole, is called ___

• fettuccination
• the linguine effect
• spaghettification
• the noodle response

What we perceive as gravity is really just ___

• a dent in reality-fabric
• a warping of space-time
•  a bump in the stellar-textile
• a bending of the event horizon

What is the smallest black hole?

• Sagittarius A*

• UY Scuti

• XTE J1650-500

• Khaby Lame