The story so far · 2 days, October 15 to 16, 2026
One Turn followed this story across 2 editions, from Royal Astronomical Society, London on October 15, 2026. Newest first.
The designation WD indicates a white dwarf, the dense remnant of a star like the Sun. Stars normally appear white to the eye rather than green because they emit across many wavelengths.
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Astronomers identified WD J1330+6435 as the first known green star, according to a study in RAS Techniques and Instruments.
Why it matters: The finding expands understanding of the range of colours and compositions stars can show.
Sources: Popular Science · See it on the globe
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.
Sources: Popular Science · See it on the globe