Question

What is a massive explosion that marks the end of a star’s life cycle?

• A. Asteroid
• B. Supernova
• C. Nebula
• D. Comet

Answer 1

Answer:

B. Supernova

• A supernova is a massive explosion that occurs at the end of a star’s life cycle, releasing enormous amounts of energy and sometimes forming black holes or neutron stars.

• A) Asteroid – A small rocky body orbiting the Sun, not related to a star’s explosion.

• C) Nebula – A cloud of gas and dust in space, often where stars are born, not the explosion of a dying star.

• D) Comet – An icy celestial body that orbits the Sun, producing a glowing tail, not related to a star’s life cycle.