Question

What causes a supernova?(1 point)
Responses

force of gravity
force of gravity

energy of a nebula
energy of a nebula

energy of heat
energy of heat

force of a nebula

Answer 1

The primary cause of a supernova is related to the **force of gravity**. In the context of a massive star, when the core exhausts its nuclear fuel, it can no longer support itself against gravity, leading to a collapse, followed by a catastrophic explosion. Therefore, the correct response is:

**force of gravity**