what element is currently building up in the sun's core?

what element is currently building up in the sun's core?

Helium.

The element that is currently building up in the Sun's core is helium. The Sun's core is currently fusing hydrogen nuclei together to form helium nuclei, releasing energy in the process. This process is called nuclear fusion.

The Sun's core is about 15 million degrees Celsius and has a density of about 150 grams per cubic centimeter. These extreme conditions are necessary for nuclear fusion to take place. The Sun's core is also very hot and dense, which is why it is able to produce so much energy.

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