ALMA Detects Heavy Water in Planet-Forming Disk around Distant Protostar

Oct 17, 2025 - 12:00
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ALMA Detects Heavy Water in Planet-Forming Disk around Distant Protostar
This artist’s impression shows the evolution of heavy water molecules as they have been observed in giant molecular clouds, a planet forming-disk, and comets -- before they eventually may have made their way to Earth. Image credit: NSF / AUI / NSF’s NRAO / P. Vosteen / B. Saxton.

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have detected doubly deuterated water (D2O), or ‘heavy water,’ in the protoplanetrary disk around V883 Orionis, a protostar located 1,300 light-years away in the constellation of Orion.

The post ALMA Detects Heavy Water in Planet-Forming Disk around Distant Protostar appeared first on Sci.News: Breaking Science News.

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