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The sun's heat and light originate primarily in the conversion of mass to energy through nuclear fusion processes; the larger fraction through the proton-proton chain where hydrogen fuses into helium, and a smaller fraction through the CNO cycle which also catalytically consumes hydrogen and produces helium.

Estimates say about 600 million tons of hydrogen get converted to helium every second.. at that rate, the sun will run out of hydrogen fuel in about 5 billion years.

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9y ago
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1mo ago

The primary source of the sun's energy is nuclear fusion. In the sun's core, hydrogen atoms fuse together to form helium, releasing tremendous amounts of energy in the process. This energy is what powers the sun and sustains life on Earth.

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Q: What is the primary source of the sun's energy?
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Primary source of the suns energy is?

The primary source of the sun's energy is nuclear fusion. This process occurs in the sun's core, where hydrogen atoms combine to form helium, releasing vast amounts of energy in the form of light and heat.


What is the primary source of the suns energy?

Nuclear fusion. Mainly, hydrogen-1 is converted to helium-4.


Which element is the main source of the suns energy?

Hydrogen and Helium


Is are the body primary and immediate source of energy?

Carbohydrates are the body's primary and immediate source of energy.


What source of energy do organisms use if they don't use the suns energty?

Chemical energy


Is electricity a clean source of energy?

The term clean source of energy refers to only primary energy sources as wind or solar energy. Electricity, by definition, is not a primary energy source. It is a secondary energy source that is could be produced by a clean energy source as wind or any renewable primary energy source or produced by fossil energy source as oil, natural gas, or coal.


What is the primary pigment needed for photosynthesis?

The primary pigment needed for photosynthesis is chlorophyll. Chlorophyll absorbs sunlight to convert carbon dioxide and water into glucose, the primary energy source for plants.


What is the nuclear source of the suns energy?

It is fusion of hydrogen to form helium


Are the main source of energy?

Carbohydrates are the primary energy source for herbivores (cows, horses, etc.). Proteins are the primary energy source for carnivores (dogs, cats, etc.).


Are the body's primary and immediate source of energy?

Carbohydrates are the body's primary and immediate source of energy.


What are the sources pf energy and thus growth for animals?

The sun is the initial (primary) energy source for life. Ingestion and digestion of a food source is an animal's primary source of energy.


What is earth energy source?

The primary is the sun