Question

What causes a supernova?(1 point)
Responses

force of gravity
force of gravity

force of a nebula
force of a nebula

energy of a nebula
energy of a nebula

energy of heat

Answer 1

The primary cause of a supernova is the **force of gravity**, particularly in the context of massive stars. When a massive star exhausts its nuclear fuel, gravity overwhelms the outward pressure from fusion, leading to a catastrophic collapse and subsequent explosion. So, the correct response is:

**force of gravity**