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What is the process of creating elements?

So creating a brand new element requires loading an atom’s nucleus with more protons. Stars create new elements in their cores by squeezing elements together in a process called nuclear fusion. Helium atoms then fuse to create beryllium, and so on, until fusion in the star’s core has created every element up to iron.

Why does the fusion of heavier elements require higher temperature to operate?

Why is it so hard to fuse heavy elements? Nuclear fusion of heavier and heavier elements requires higher and higher temperature. The nuclei of heavy elements have larger electric charges. To fuse them, it is necessary to push them very close together to overcome the Coulomb barrier between the nuclei.

Why does a nuclear fusion process need a significantly high temperature to occur?

The very high temperature is necessary to give the nuclei enough kinetic energy to overcome the very strong repulsive forces resulting from the positive charges on their nuclei so they can collide. The most important fusion process in nature is the one that powers stars.

What forces allow a stable star to exist?

A star forms when it is hot enough for nuclear reactions to start. This releases energy, and keeps the star hot. During the main sequence period of its life cycle, a star is stable because the forces in it are balanced. The outward pressure from the expanding hot gases is balanced by the force of the star’s gravity.

What happens as a star ages and leaves the main sequence?

When the stars go out Eventually, a main sequence star burns through the hydrogen in its core, reaching the end of its life cycle. At this point, it leaves the main sequence. Larger stars find their outer layers collapsing inward until temperatures are hot enough to fuse helium into carbon.

Is Procyon BA white dwarf?

Stellar System Procyon B is a white dwarf star, confirmed since 1896. It is considerably smaller than Procyon A, at around 0.6 solar masses – 60% of the sun’s mass.

What is the Sirius B distance from Earth in light years?

8.611 light years