What is nuclear fusion? How does the sun get its energy from?

Nuclear fusion is a process where two or more atomic nuclei combine to form a larger nucleus, releasing a large amount of energy in the process.

The sun's energy is produced by nuclear fusion, which occurs at its core.

During nuclear fusion, four hydrogen nuclei (protons) combine to form a helium nucleus, releasing a large amount of energy.

This energy is then released in the form of sunlight, which is used to power life on Earth.

Nuclear fusion is also the process which powers stars, allowing them to shine for billions of years.

Fusion has also been used to create energy on Earth, in the form of hydrogen bombs.

Fusion reactions can also be used in a much safer way to produce electricity, such as in a fusion reactor.

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