A daring proposal to try to put a "boat" down on a sea of Saturn's moon Titan is about to be submitted to Nasa.
The scientific team behind the idea is targeting Ligeia Mare, a vast body of liquid methane sited in the high north of Saturn's largest moon.
The concept will be suggested to the US space agency for one of its future mission opportunities that will test a novel power system.
It would be the first exploration of a planetary sea beyond Earth...
http://news.bbc.co.uk/2/hi/science/nature/8409052.stm