5 - Energy from the Sun-Atoms in the Sun’s core are also...

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- The temperature of the core is about 15 million K! - It also has very high density - Under these conditions, nuclear reactions occur, which power the sun. Energy from the Sun - Chemical reactions involve an atom’s electrons. Eg. - 2 H2 + O2 = 2 H2O - Nuclear reaction involves an atom’s nucleus… - All of the sun’s energy comes from nuclear reactions . - Since the sun is mostly made of Hydrogen (H), the reactions involve H nuclei.
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Unformatted text preview: Energy from the Sun-Atoms in the Sun’s core are also ionized: Their electrons are “free”-A Hydrogen nucleus = 1 proton-If four hydrogen nuclei come together, they can form a Helium nucleus.-The hydrogen are fused together into something larger. -This fusion reaction creates a tremendous amount of energy...
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This document was uploaded on 10/07/2011.

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