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The core of a star is located inside the star in a region where the temperature and pressures are sufficient to ignite nuclear fusion, converting atoms of hydrogen into helium, and releasing a tremendous amount of heat.

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7y ago
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4mo ago

In the core of a star, nuclear fusion reactions occur. These reactions involve the fusion of hydrogen atoms to form helium, releasing energy in the form of light and heat. This process is what powers a star and makes it shine.

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Q: What happens in the star core?
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When the core of a star shrinks after hydrogen fusion stops the core heats up but what happens to the star?

The rest of the star expands.


What happens to Hydrogen atoms in a star's core?

its clears air


What happens when a star can't hold it's weight?

The core collapses


What happens when the outer core of a star explodes after the core collapses?

Its blown into interstellar space - to enrich and mix with the gasses already out there.


Where does hydrogen fusion occur when there is no hydrogen left in the core of a star?

When there is no hydrogen left in the core of a star, hydrogen fusion can occur in a shell around the core. This phenomenon is known as shell hydrogen burning and it allows the star to continue generating energy by fusing hydrogen into helium in the outer layers surrounding the depleted core.


When a stars core collapses does a giant explosion happen?

Yes, if the star is massive enough when the core collapses a supernova explosion happens.


If the core temp of a star decreases what happens to the radius?

If the core temperature of a star decreases, it will contract, causing the core to become denser. This contraction may lead to an increase in temperature in the outer layers, causing the star to expand its radius to re-establish equilibrium.


When the core of a star reaches a temperatureof about 100 million degrees K something new happens in the core What is this new event?

As an average star is dying and the core is contracting when the temperature reaches 100 million Kelvin Helium atoms fuse into


What happens when a star uses its hydrogen?

When a star uses the hydrogen in its core it will start burning hydrogen in a shell around the core and become a red giant. After that the star will either collapse into a white dwarf or start fusing helium, depending on its mass.


What happens when a medium star's temperature reaches 200000000 degrees Celsius?

helium atoms fuse to form carbon atoms in the core of the star


What happens in the core that marks the birth of a star?

Nuclear fusion, converting hydrogen nuclei into helium nuclei.


What occurs when fusion creates iron in the core of a star?

The star "burns out" because iron cannot be fused. What happens then depends on the star's remaining mass:low - white dwarfmed. - neutron starhigh - black hole