Comet 46P/Wirtanen was releasing an unusual amount of alcohol as it made its historic flyby of Earth two and a half years ago. That’s one of the findings from the latest published study comet detectives conducted after observing 46P/Wirtanen with W. M. Keck Observatory on Maunakea in HawaiĘ»i.
Click here for original story, Abnormally high alcohol and mystery heat source detected on comet wirtanen
Source: Phys.org