ALMA Reveals Interstellar Comet 3I/ATLAS Formed in a Far Colder World Than Our Own
First-ever measurement of deuterated water in an interstellar object shows its home system formed under extreme conditions New observations from the Atacama Large Millimeter/submillimeter Array (ALMA) have yielded the first-ever measurement of deuterated water — also known as semi-heavy water — in an interstellar object. The discovery reveals that the interstellar comet 3I/ATLAS contains at...
