Understanding Black Holes and Galaxy Formation

What surprising relationship exists between black holes and galaxies?

• They have no correlation.

• Their masses are closely linked.

• Galaxies do not contain black holes.

• Black holes are always larger than galaxies.

What is the 'Bottom up Hierarchical galaxy formation' theory?

• Galaxies form from the top down.

• Galaxies form directly from dark matter.

• Small galaxies merge to form larger ones.

• Galaxies form independently of each other.

What is the process called when black holes halt star formation?

• Quenching

• Ignition

• Expansion

• Contraction

Why is the decline in star formation across the universe considered strange?

• There is still plenty of gas available.

• Black holes have stopped forming.

• Star formation should be increasing.

• There is no gas left in the universe.

What role do supernovae play in star formation?

• They create new galaxies.

• They can limit star formation by heating gas.

• They enhance star formation.

• They have no effect.

What is a potential consequence of quasar activity?

• It limits the growth of black holes.

• It has no effect on galaxies.

• It enhances star formation.

• It cools down the galaxy.

What is a 'Strange Star' composed of?

• Up, down, and strange quarks

• Only electrons

• Only protons and neutrons

• Dark matter

What is the significance of the quasar epoch?

• It marks the beginning of the universe.

• It represents the peak of black hole growth.

• It is when galaxies first formed.

• It is when stars first appeared.

What is the main focus of Brilliant.org?

• Providing lectures

• Offering problem-solving exercises

• Conducting scientific research

• Selling educational materials

What is a telltale sign of a recent neutron star merger?

• Absence of any elements

• Presence of highly radioactive elements

• Presence of stable elements

• Formation of new galaxies