cdscas

What element's fusion in a star's core does not produce energy, leading to the star's collapse?

• Helium

• Iron

• Carbon

• Hydrogen

What hypothetical boundary around a black hole, once crossed, makes escape impossible?

• The core

• The event horizon

• The singularity

• The firewall

What do you observe when looking at a black hole?

• The singularity

• Stellar debris

• The event horizon

• Bright light emissions

Which of the following is NOT a consequence of falling into a black hole?

• Being stretched into a stream of plasma

• Instant termination by a firewall

• Orbiting the black hole indefinitely

• Observing the universe in fast forward

What is the ultimate fate of black holes according to Hawking radiation theory?

• They split into smaller black holes

• They evaporate over time

• They grow indefinitely

• They become stars