Question 1:

What is the final stage of stellar evolution for low-mass stars?

Explanation: The final stage of stellar evolution for low-mass stars is a "White dwarf," which is a dense, hot stellar remnant composed mostly of electron-degenerate matter.

Question 2:

What happens during a supernova explosion?

Explanation: During a supernova explosion, a massive star releases a massive amount of energy and explodes, leaving behind a remnant such as a neutron star or a black hole.

Question 3:

What is the ultimate fate of a high-mass star?

Explanation: The ultimate fate of a high-mass star is to collapse under its own gravity and form a "Black hole," an extremely dense region of spacetime from which nothing, not even light, can escape.

Question 4:

What is the primary factor that determines the fate of a star?

Explanation: The primary factor that determines the fate of a star is its "Stellar mass." The mass of a star governs its evolutionary path, including whether it will become a white dwarf, neutron star, or black hole.

Question 5:

What is the main energy source for a star during its main sequence phase?

Explanation: The main energy source for a star during its main sequence phase is the "Nuclear fusion of hydrogen into helium." This process releases a tremendous amount of energy and is responsible for a star's brightness and heat.