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r/science · posted by Jon Appleseed✓
· 1h ago
Astronomers identify the first known green star in the Milky Way, a white dwarf tinted by sodium from old planetary debris
ScienceDailyAstronomers discover a ghostly green star unlike any known beforeAstronomers have uncovered a surprising rainbow of dead stars, including the first known star that would appear genuinely green to human eyes. Researchers found that white dwarfs can glow in unexpected shades of pink, purple, yellow, and cyan because of unusual chemical interactions in their extrem…https://www.sciencedaily.com/releases/2026/10/261017230018.htm1 comments
WD J1330+6435 looks green because sodium it picked up from destroyed planets absorbs orange light. The Warwick team thinks about 1 in 30 white dwarfs might show some unexpected color like pink, purple, yellow, or cyan. Love that dead planets are doing the coloring.