Black Holes and Gravastars Concepts

What are two possible outcomes when a very massive star dies in a supernova?

• It becomes a white dwarf or a red giant.

• It collapses into a neutron star or a black hole.

• It forms a nebula or a galaxy.

• It turns into a brown dwarf or a quasar.

What is the shell of a Gravastar made of?

• Super-dense atoms

• Cosmic dust and gas

• A new, unique type of matter

• Frozen hydrogen and helium

What is found inside a Gravastar?

• A dense core of heavy elements

• A perfect vacuum filled with fundamental energy

• A swirling vortex of plasma

• A miniature galaxy

What happens to the atoms of an object if it falls into a gravastar?

• They remain perfectly intact.

• They are converted into vacuum energy.

• They are ejected back into space.

• They form a new, smaller star.

Who first proposed black holes as a mathematical solution to gravity equations?

• Albert Einstein

• Karl Schwarzschild

• Stephen Hawking

• Isaac Newton

What is a key issue with traditional black hole theory that gravastars aim to resolve?

• The difficulty in observing them directly.

• The presence of singularities that break physics laws.

• Their extremely strong gravitational pull.

• Their tendency to emit too much light.

How do scientists hope to distinguish between black holes and gravastars?

• By observing their color in space.

• By measuring their exact size.

• By listening to the gravitational waves produced during their collisions.

• By sending probes to touch their surfaces.