When massive stars die at the end of their short lives, they light up the cosmos with bright, explosive bursts of light and material known as supernovae. A supernova event is incredibly energetic and intensely luminous--so much so that it forms what looks like an especially bright new star that slowly fades away over time.
When massive stars die at the end of their short lives, they light up the cosmos with bright, explosive bursts of light and material known as supernovae. A supernova event is incredibly energetic and intensely luminous--so much so that it forms what looks like an especially bright new star that slowly fades away over time.
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