Black Holes Quiz

What is the primary element that stars fuse in their core?

• Hydrogen

• Helium

• Iron

• Oxygen

What happens when the core of a massive star collapses?

• It forms a neutron star

• It turns into a black hole

• It creates a supernova explosion

• It becomes a white dwarf

What is the event horizon of a black hole?

• The singularity

• The point of no return

• The edge of the universe

• The center of the black hole

What happens to time around a black hole?

• It reverses direction inside the event horizon

• It stops completely at the event horizon

• It slows down as you approach the event horizon

• It speeds up as you approach the event horizon

What is the singularity of a black hole?

• A massive explosion

• A source of gravitational waves

• A region of intense radiation

• A point of infinite density

What would happen to you if you fell into a black hole?

• You would be teleported to another universe

• You would be stretched into a stream of plasma

• You would be ejected back into space

• You would be frozen in time

What is the process through which black holes eventually evaporate?

• Quantum entanglement

• Gravitational collapse

• Hawking radiation

• Nuclear fusion

What is the largest known supermassive black hole?

• Sagittarius A*

• Messier 87

• Cygnus X-1

• S5 0014+81

How long might the biggest black holes take to evaporate?

• A billion years

• A trillion years

• A googol year

• A million years

What will eventually happen to the universe due to black hole evaporation?

• It will become uninhabitable

• It will collapse into a singularity

• It will expand indefinitely

• It will be consumed by black holes