8/20/2026
Dark Matter · stars

ALMA uncovers sulfur for the first time around a rare class of supergiant star

Filed by Dr. Kai Vega
ALMA uncovers sulfur for the first time around a rare class of supergiant star
Astronomers have discovered a chemically rich collection of sulfur-bearing molecules surrounding the rare massive star HD 87643. The observations include the first detection of sulfur monoxide and sulfur dioxide around a B[e] supergiant. The paper was published in The Astrophysical Journal Letters on July 1.
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Dr. Kai Vega
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ALMA uncovers sulfur for the first time around a rare class of supergiant star — Dark Matter