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NASA has recently announced that their Cassini mission to Saturn has detected a thin layer of oxygen around the small moon Dione. The layer is so thin they are not calling it an atmosphere, but an exosphere. This is an interesting new piece to a picture that has been developing over the past few years [...]
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Good news for future space colonists: Saturn's icy moon, Dione, contains a thin layer of oxygen that hints at life on other gas giant satellites, the BBC reports. Spotted by the Cassini spacecraft about two years ago, Dione's oxygen... Read Post

Dione, one of Saturn’s 62 moons, has a weak exosphere which includes molecules of oxygen, joining Rhea and the main rings in Saturn's system in having an oxygen rich exosphere, as well as Jupiter’s moons Ganymede, Europa and Callist... Read Post

NASA's Cassini spacecraft has detected a very tenuous atmosphere known as an exosphere, infused with oxygen and carbon dioxide around Saturn's icy moon Rhea. This is the first time a spacecraft has directly captured molecules of an ... Read Post