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Included in the discussion are the sizes, energetics, … · this article describes the properties and evolution of individual stars. And what happens when they die? · how are stars named? Every star has its … · stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements. The size of the clouds they are born from and what kinds of elements … These star facts explain the science of the night sky. Their immense distances from earth make them appear as fixed points of light. Many other stars are visible to the naked eye at night; · two factors result in so many different types of stars: