Black Hole Quiz

What is a black hole?

• An astronomical object releasing matter from another universe

• An astronomical object with little to no gravity

• An object in space with infinite gravity and density

• A hole in the ground

Most supermassive black holes can be found in the ______ of galaxies

How & when does a black hole form?

• After two planets collide into each other

• They don't form, they've always existed

• After a large star collapses into its core and triggers a supernova

• After digging a deep hole in rich soil

True or False?

All supernovas form black holes

• True

• False

True or False?

The singularity is often called the "point of no return"

• False

• True

What must happen to the balance between pressure and gravity for a star to collapse?

• Gravity = Pressure

• Gravity > Pressure

• Pressure > Gravity

• None, the balance is between gravity and light

What does the abbreviated term AU stand for? And what does it mean?

• Astronomical Unit - Distance from Earth to Moon

• Aerospace Unification - Distance from Earth to Sun

• Auxiliary Unit - A measurement used to scale black holes

• Astronomical Unit - Distance from Earth to Sun

_______ Radiation occurs when particles are torn apart near the event horizon, thus decreasing the black holes mass by a tiny amount.

True or False?

The * in a black hole name signifies it is located at the center or nucleus of a galaxy

• True

• False

What is the name of the closest black hole to Earth? How close is it?

• GAA BH3

  ≈ 1500 light years

• GAIA B1H

  ≈ 1500 light years

• TON 618

  ≈ 1560 light years

• GAIA BH1

  ≈ 1500 light years

• GAIA BH1

  ≈ 100 light years