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Astronomy
The Sun

What happens to hydrogen and helium in the inner solar system?

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May 12, 2011 1:06AM

H and He are hydrogen and helium, the elements involved in the primary fusion reaction within the Sun. Each second, millions of tons of hydrogen are fused into helium near the core of the Sun. This fusion process provides the energy released into space by most stars. As this energy is finally released on the Sun's surface (the photosphere), some protons and electrons are blown away from the Sun to form the "solar wind." The radiation emitted from the Sun is what provides the light and heat for the Earth and other planets.