I suspect it NASA's press conference will be related to this: http://www.nasa.gov/mission_pages/cassini/whycassini/cassini20101126.html http://www.nasa.gov/mis

I suspect it NASA's press conference will be related to this: http://www.nasa.gov/mission_pages/cassini/whycassini/cassini20101126.html http://www.nasa.gov/mission_pages/cassini/whycassini/cassini... Oxygen and CO2 on Rhea; suggesting an easy route to complex chemistry near gas giants (which are so much easier to find outside our solar system).