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Using the James Webb Space Telescope, a team of astronomers studied the properties of a planet-forming disk around a young and very low-mass star. The results reveal the richest hydrocarbon composition seen to date in a protoplanetary disk, including the first extrasolar detection of ethane and a relatively low abundance of oxygen-bearing species. By including previous similar detections, this finding confirms a trend of disks around very low-mass stars to be chemically distinct from those around more massive stars like the Sun, influencing the atmospheres of planets forming there.

United kingdomBaden wübergFrance generalJeroen bouwmanInga kamp groningenGiulia perottiInga kampSilvia scheithauerCarl zeiss optronicsThomas henningAgnes perrin laboratoireAditya arabhaviRiccardo franceschiMatthias samlandKamber schwartzGerman aerospace center