What will happen if the sun becomes a white dwarf?

Earth may survive the event, but will not be habitable. Once the sun completely runs out fuel, it will contract into a cold corpse of a star – a white dwarf.

What causes a star to collapse?

Gravity constantly works to try and cause the star to collapse. The star’s core, however is very hot which creates pressure within the gas. This pressure counteracts the force of gravity, putting the star into what is called hydrostatic equilibrium.

Will the Sun die and become a black hole?

LIFE CYCLE OF THE SUN First of all, the Sun is never going to turn into a black hole. Only the most massive stars become black holes at the end of their lives. Little stars, like the Sun, die in a different way. When these stars burn up all the hydrogen in their cores, they swell into red giants.

What do we mean by the singularity of a black hole?

The singularity at the center of a black hole is the ultimate no man’s land: a place where matter is compressed down to an infinitely tiny point, and all conceptions of time and space completely break down.

Where does nuclear fusion in the Sun occur?

core
Inside the Sun, this process begins with protons (which is simply a lone hydrogen nucleus) and through a series of steps, these protons fuse together and are turned into helium. This fusion process occurs inside the core of the Sun, and the transformation results in a release of energy that keeps the sun hot.

Do stars collapse or explode?

CAITY: So the core of a star collapses when the rest of it is exploding outward. So that core will continue to collapse under its own gravity and it can form one of two objects. It can become something called a neutron star or it can form into a black hole.

What is gravitational collapse and spreading?

This concept, referred to as gravitational collapse, assumes that gravitational potential energy stored in thickened crust during convergence can be released via lateral spread- ing, thus triggering extension and thinning of the thickened crust and shortening and thickening of the foreland (e.g., Dewey, 1988).

What happens to the neutrons when a star’s core collapses?

However, if the original star was very massive (say 15 or more times the mass of our Sun), even the neutrons will not be able to survive the core collapse and a black hole will form! IV. More about the Stellar Endpoints

What happens to stars when they die?

While most stars quietly fade away, the supergiants destroy themselves in a huge explosion, called a supernova. The death of massive stars can trigger the birth of other stars. Neutron starsare the fastest-spinnng objectsin the universe.

What breaks down spacetime singularities?

When it is the fundamental geometry that breaks down, spacetime singularities are often viewed as an end, or “edge”, of spacetime itself. Numerous difficulties, however, arise when one tries to make this notion more precise. Breakdowns in other physical structures pose other problems, just as difficult.

What happens when a star runs out of fuel?

All stars eventually run out of their hydrogen gas fuel and die. The way a star dies depends on how much matter it contains—its mass. As the hydrogen runs out, a star with a similar mass to our sun will expand and become a red giant.