Stellar Evolution Quiz

What is a star primarily composed of?

• Water

• Iron

• Hydrogen

• Oxygen

What force is responsible for keeping a star in equilibrium, balancing the gravitational force trying to collapse it?

• Electromagnetic force

• Nuclear force

• Gravitational force

• Centrifugal force

In what stage of its life cycle does a star spend the majority of its existence?

• Protostar

• Main Sequence

• Red Giant

• White Dwarf

What happens when a star runs out of nuclear fuel in its core during the main sequence phase?

• It becomes a black hole

• It expands into a red giant

• It collapses into a neutron star

• It undergoes a supernova explosion

What is the final stage in the life cycle of a massive star, characterized by a tremendous explosion?

• Red Dwarf

• White Dwarf

• Supernova

• Nebula

What type of star is our Sun?

• Red Giant

• White Dwarf

• Main Sequence

• Neutron Star

Which force is responsible for initiating the fusion reactions in a star's core?

• Electromagnetic force

• Nuclear force

• Weak force

• Gravitational force

What is the name given to the remnant of a massive star after a supernova explosion?

• Black Hole

• Neutron Star

• White Dwarf

• Protostar

What is the primary factor determining the eventual fate of a star?

• Its mass

• Its size

• Its distance from Earth

• Its temperature

What is the name of the process by which a star like the Sun ends its life, shedding its outer layers and leaving behind a hot core?

• Nova

• Supernova

• Planetary Nebula

• Red Giant Phase