Exploring the Mysteries of Black Holes

What makes black holes invisible?

• They emit no light

• Their gravitational pull prevents light from escaping

• They are too far away

• They are too small

What is the boundary around a black hole called?

• Dark field

• Gravity well

• Event horizon

• Black sphere

How is the size of a black hole's event horizon determined?

• By its gravitational force

• By its temperature

• By the amount of light it emits

• By its distance from Earth

What happens to a star that gets too close to a supermassive black hole?

• It becomes a supernova

• It gets pulled apart

• It turns into a black hole

• It speeds up

Tags

NGSS.HS-PS2-4

What is a quasar?

• A powerful jet of energy from a black hole

• A type of black hole

• A distant galaxy

• A star orbiting a black hole

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

• Supermassive black hole

• Stellar black hole

• Intermediate black hole

• Miniature black hole

Where are supermassive black holes commonly found?

• In the outer edges of galaxies

• At the center of galaxies

• In between star systems

• Floating freely in space

When was the first black hole discovered?

• 1990

• 1971

• 1969

• 1980

What was a major breakthrough in black hole research?

• The simulation of a black hole on a computer

• The first photograph of a black hole

• The discovery of gravitational waves

• The creation of the first black hole

Why do black holes continue to fascinate scientists and the public?

• Because they are easily observed

• Because of their extreme power and mystery

• Because they can be visited

• Because they are colorful