Why do stars implode?

Answer 1

Because of their gravitation. When they stop producing energy, there is not enough pressure to counteract the gravitational collapse.

Because of their gravitation. When they stop producing energy, there is not enough pressure to counteract the gravitational collapse.

Because of their gravitation. When they stop producing energy, there is not enough pressure to counteract the gravitational collapse.

Because of their gravitation. When they stop producing energy, there is not enough pressure to counteract the gravitational collapse.

Answer 2

The ultra simplified answer is conservation of momentum. At some point in its life any star will run out of fusionable elements, at this point radiation pressure ceases and gravity pulls the star in to its final collapse, in response to the rapid inward acceleration of the star, to conserve momentum some part of the star must accelerate outward. Therefor all stars during their final collapse must blow off their outer layers, but how this happens depends on the mass of the star when it begins this collapse. Low mass stars (like our sun) collapse relatively gently becoming white dwarfs and therefor blow off their outer layers gently too, much like a very very fast stellar wind, forming what is called a planetary nebula. High mass stars however collapse so violently becoming either neutron stars or black holes that they must blow off their outer layers violently too, as an explosion!

A complete explanation would require too much math to put here.

Answer 3

Stars implode due to gravitational forces overcoming the outward pressure caused by nuclear fusion in their cores. When a star runs out of nuclear fuel, the pressure from fusion is no longer able to counteract gravity, causing the star to collapse in on itself. This collapse can lead to a supernova explosion or the formation of a black hole.

Answer 4

Because of their gravitation. When they stop producing energy, there is not enough pressure to counteract the gravitational collapse.