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Life Cycle of a Star

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Jennifer Thorp

on 29 March 2013

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Transcript of Life Cycle of a Star

of a Star The Life Cycle Main-Sequence Star Stars of Greater Mass Supernova Neutron Star & Black Hole Nebula Stars of lesser Mass Planetary Nebula Star shines as nuclear reactions inside produce light and heat. Supergiant- expands, cools and turns red Supergiant explodes blasting away outer layers Dense region in nebula begins to shrink, warm up, and become a protostar. Core collapses and becomes very dense Red Giant

Expands and glows red as it cools Hot core will be exposed as white dwarf Core collapses completely vanishes White Dwarf White Dwarf Cooling Star cools and reddens Black Dwarf Star stops glowing
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