The Life of a Star

The Life of a Star
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Storyboard Description

June 1st 2018

Storyboard Text

  • This is a nebula, a giant cloud of dust and gas. This one in specific is so large, it will create a star more than 10 times the mass of the sun.
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  • But first, the nebula will create what's called a protostar. When hydrogen within the nebula is pulled together by gravity, the gas will heat up and spin faster and faster.
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  • As the protostar heats up, it becomes stable by contracting slightly and nuclear fusion occurs. Our protostar has now formed into a main sequence star, where it will burn brightly for millions of years.
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  • The nuclear fusion happening within the star converts hydrogen to helium. After the star burns all it's hydrogen, it will become unstable. As the stars outer shell begins to expand, the star will glow red and become a red giant.
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  • The larger a star's mass, the shorter its life cycle. This huge star will undergo a supernova, where elements are created through fusion. Once energy has stopped being produced, the star will collapse as the repulsive force between nuclei overcome the force of gravity.
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  • The final stage happens when the core is swallowed by its own gravity. After the explosion, the force of gravity keeps protons and neutrons from combining and thus becomes a black hole, attracting any matter which comes close.
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