Understanding Black Holes

What is the effect of a black hole's gravity on light?

• It speeds it up

• It changes its color

• It allows it to escape

• It prevents it from escaping

What makes black holes invisible to direct observation?

• They are transparent

• They are too far away

• They are too small

• They emit no light

What is the boundary around a black hole called?

• Black boundary

• Event horizon

• Gravity edge

• Dark limit

How do scientists detect black holes?

• By their effects on nearby objects

• By direct imaging

• By their sound

• By observing their color

What is a quasar?

• A distant galaxy

• A type of star

• A jet of energy from a black hole

• A comet

What happens to time near a black hole?

• It speeds up

• It stops

• It slows down

• It reverses

What type of black hole is formed from a massive star's collapse?

• Stellar black hole

• Intermediate black hole

• Supermassive black hole

• Miniature black hole

Where are supermassive black holes commonly found?

• Near the sun

• In the center of galaxies

• In the outer edges of galaxies

• Floating freely in space

What was a major breakthrough in the study of black holes?

• The creation of the first telescope

• The invention of the internet

• The first photograph of a black hole

• The discovery of gravity

What did the first photograph of a black hole confirm?

• Theories about black holes

• The color of black holes

• The existence of aliens

• The end of the universe