The 3-D Sky: Giants (Supernovae in Scorpius)
The life of a star The largest stars create nearly all of the chemical elements in the universe. Stars produce light by nuclear fusion, which builds heavier elements out of lighter elements. Driven by their great weight, these giant stars burn rapidly, living only ten million years, a lifespan 400 times shorter than that of the Earth. Throughout most of their short lives, big stars burn blue, ...
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Solar System