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Hydrogen fusion is the main energy source in any star.
Put very simply, four Hydrogen atoms fuse to create Helium. The atomic weight of Helium is slightly less than four Hydrogen atoms the extra mass is released as energy.

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8y ago
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8y ago

Fusion of hydrogen into helium.

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Q: What is the main source of energy in star like sun?
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A star located off the main sequence indicates what?

That the star has stopped fusing hydrogen in its core as its energy source.


What is the energy source for all main-sequence star?

Nuclear fusion starting with hydrogen.


What is a star like source of energy in the center of a galaxy?

quasar


The source of energy for a star?

by it self, they create & produce their own energy just like the sun


Is the moon a source of solar energy?

No, it is not source of any energy as it is a planet not a star.


What is the primary source of energy for a sylphlike star after it has entered the main sequence and for how long will it typically stay there?

The energy source is hydrogen undergoing nuclear fusion to helium. The time that lasts depends on the mass of the star but it usually takes a few billion years.


What is the main source of energy of a star as it grows in size to becomes a red giant?

A main sequence star burns hydrogen to helium. Once a main sequence star exhausts all of the hydrogen, it begins to expand and burn helium causing if to become a red giant.


What is the source of energy in a star?

nuclear fusion


What is the source of a star energy?

nuclear fusion


What is a star's main source of fuel?

Hydrogen


What is the principal source of stellar energy?

well htey get there energy from burning the gasses that it is made of like our sun


What is the main source of energy for all living things on earth?

The sun, center of our planetary system and star of the milky way galaxy (our galaxy), is the source of the energy that is processed and consumed by living beings. Intense nuclear reactions in the sun liberate light and other energetic radiations into the surrounding space. Some of this energy reaches our planet