Black Holes Quiz

What is a black hole?

• A region in space where gravity is weak

• A region in space where light cannot escape

• A region in space with high levels of oxygen

• A region in space with extreme heat

How are black holes classified based on size?

• Tiny, Huge, Gigantic

• Small, Medium, Large

• Primordial, Stellar, Supermassive

• Microscopic, Macroscopic, Megascopic

What is the mass range of a stellar black hole?

• More than 100 times the mass of the sun

• Less than the mass of the sun

• Up to 20 times greater than the mass of the sun

• Equal to the mass of the sun

How do scientists know the presence of a black hole?

• By measuring the temperature of the black hole

• By detecting the sound waves emitted by the black hole

• By studying the effects of its gravity on surrounding objects

• By observing the color of the surrounding stars

Can a black hole destroy Earth?

• No, black holes follow the laws of gravity

• Depends on the size of the black hole

• Only if the black hole is very close to Earth

• Yes, black holes can randomly swallow worlds

What happens to the sun at the end of its life?

• It turns into a black hole

• It becomes a red giant star

• It explodes into a supernova

• It disappears without a trace

How are supermassive black holes believed to have formed?

• Through a series of nuclear reactions

• By absorbing other black holes

• At the same time as the galaxy they are in

• From the collapse of a massive star

What type of light is observed by the Fermi Gamma-ray Space Telescope in search of black holes?

• Visible light

• Gamma rays

• Infrared light

• Ultraviolet light

What is left of the sun after it becomes a red giant star?

• A planetary nebula

• A supernova

• A white dwarf star

• A black hole

What is the mass of the supermassive black hole at the center of the Milky Way galaxy?

• Less than the mass of the sun

• 4 million suns combined

• More than 10 billion suns

• Equal to 100,000 suns