NASA finds captivating ocean world is making oxygen. Here’s how much. from Mashable
NASA suspects that the ice-clad moon Europa harbors a deep, deep sea — reaching some 40 to 100 miles (60 to 150 kilometers) down. And new evidence, from the space agency’s Juno craft, points to surface processes that create bounties of oxygen on Europa, some of which is transported into the world’s voluminous ocean. It’s…