9/6/2023 0 Comments Pictures of dying light![]() Stars at this life stage are known as Mira variables after the first such example, Mira "the Wonderful," discovered by David Fabricius in 1596. ![]() On Chi Cygni, we see those splutterings as a brightening and dimming, caused by the star's contraction and expansion. Like a car running out of gas, its "engine" begins to splutter. "This work opens a window onto the fate of our Sun five billion years from now, when it will near the end of its life," said lead author Sylvestre Lacour of the Observatoire de Paris.Īs a sunlike star ages, it begins to run out of hydrogen fuel at its core.
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