Surprise! White dwarf stars come in a rainbow of colours

Nature2026年10月21日查看原文 ↗
  • RESEARCH HIGHLIGHT

Analysis of some nearby stars shows that, despite their name, these bodies can be pink, yellow and more.

Bright green-white star surrounded by a hazy ring and scattered dark asteroids against a black, star-filled background.

White dwarfs (artist’s illustration) can be green, a colour that no other form of star has been shown to exhibit. Credit: Mark A Garlick/University of Warwick

Most white dwarf stars are white, but analysis now shows that a few come in a rainbow of colours — even green, which has never before been spotted in a star.

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doi: https://doi.org/10.1038/d41586-026-03319-1

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