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How do stars die?

18 Jan 2021, 09:37 UTC
How do stars die? NASA/ESA/HEIC/The Hubble Heritage Team

Stars begin their lives when hydrogen fusion ignites in their dense, hot cores. Once that process starts, it's game on. The gravitational pull of all the mass of the star tries to squeeze it down into a tiny point, but the energy released by fusion pushes outward, creating a delicate balance that can persist for millions or even trillions of years.

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