Oxygen on Saturn
The Cassini spacecraft has captured molecular oxygen ions around Dione, an icy moon of Saturn, confirming the presence of a very thin atmosphere. The oxygen ions are very rare (one for every 11 cubic centimetres), showing that Dione has an extremely thin neutral atmosphere. The detection of this thin atmosphere, known as the exosphere, is […]
Mar 30 2012 | Posted in World | Read More »
