Black Holes Quiz

What is the size of a white dwarf?

• Size of the Moon

• Size of the Sun

• Size of Jupiter

• Size of the Earth

What happens to the core of a star if its mass is between 1.4 and 2.8 times the Sun's mass?

• It collapses into a neutron star

• It forms a black hole

• It explodes into a supernova

• It becomes a white dwarf

What is the escape velocity of a neutron star with immense gravity?

• 150,000 km/sec

• 300,000 km/sec

• 600 km/sec

• 11 km/sec

What is the ultimate end state for the core of a high mass star?

• White dwarf

• Neutron star

• Black hole

• Supernova

What is the minimum mass of a stellar-mass black hole?

• 1 times the Sun's mass

• 2 times the Sun's mass

• 4 times the Sun's mass

• 3 times the Sun's mass

What happens to time near a black hole's event horizon?

• It speeds up

• It reverses

• It stops

• It slows down

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

• It accelerates the light

• It decelerates the light

• It redshifts the light

• It blueshifts the light

What is the term used to describe the tides near a black hole that can stretch an object?

• Distortion

• Expansion

• Compression

• Spaghettification

What did astronomers witness in March 2011 involving a star and a black hole?

• The star collided with the black hole

• The star was absorbed by the black hole

• The star orbited the black hole

• The star was disrupted by the black hole's tides

What did Albert Einstein propose about space and time in relation to gravity?

• Space and time are affected by gravity

• Space and time are not related to each other

• Space and time are independent of gravity

• Space and time are not affected by gravity