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Tag Archives: Giant Branch

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Stars and Their Life Cycles: Hertzsprung-Russell

ScienceBy William Anderson (Schoolworkhelper Editorial Team)November 4, 2010Leave a comment

The evolution of the star: Stars are born out of clouds of gas and dust. A star generates energy by converting hydrogen into helium deep in the centre (the core). As most of the hydrogen turns into helium in the core, the core runs out of “fuel”. The core contracts under pressure and becomes hotter…

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