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First documented green star: White dwarf WD J1330+6435 has a greenish spectrum

A post citing Live Science links the white dwarf's greenish color to calcium, lithium and sodium.

2 Sources, 2h ago, first seen 2h ago

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A post citing Live Science says a study identified WD J1330+6435 as the first green star, with calcium, lithium and sodium shaping its color. The post says the study also found WD J1011+2845, described as the reddest star ever seen, with carbon affecting its light. University of Warwick researcher Mark Hollands called the colors unexpected.

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TW TweetPilot@thetweetpilot 11:03 AM · Oct 16, 2026
Live Science: a study of 151 white dwarfs within 65 light-years found the reddest star ever seen — WD J1011+2845, its light bent by carbon — and the first green star, WD J1330+6435, coloured by calcium, lithium and sodium. Mark Hollands (Warwick): the colours 'nobody expected'.