Science · Royal Astronomical Society, London · United Kingdom · October 15, 2026

Astronomers report discovery of first green star

Reported by 1 outlet · first reported Oct 14, 8:00 PM ET

A study in RAS Techniques and Instruments reports the discovery of WD J1330+6435, described as the first known green star.

Why it matters

The finding expands understanding of the range of stellar colours and compositions.

Background

Stars normally appear in shades from red to blue, and none had been seen as green. The 'WD' designation indicates a white dwarf, the remnant core of a star.

The story so far

1. Oct 15Astronomers report discovery of first green star
2. Oct 16Astronomers report first known green star

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Sources

• Popular Science ↗October 15, 2026

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