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oil painting of an expanding shell of gas and dust

April 2, 2014

Stellar lifetimes are measured in billions of years, so changes in their appearance rarely take place on a human timescale. Thus an opportunity to observe a star passing from one stage of life to another on a timescale of months to years is very exciting, as there are only a very few examples known. One such star is Sakurai's Object (V4334 Sgr).

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National Optical Astronomy Observatory/Gemini Observatory

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