Sun and Stars - How the Sun Works - Nuclear Fusion Creating Light and Heat The Sun provides nearly all the energy that keeps the Earth warm and provides the energy which we need to live and to power everything else. Even things like coal and oil and natural gas were originally created millions of years ago by plants t

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The Sun is the star at the center of the Solar System and is by far the most important source of energy for life on Earth . It is a nearly perfect sphere of hot plasma , with internal convective motion that generates a magnetic field via a dynamo process . Its diameter is about times that of Earth, and its mass is abou

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