We thought that Febrovery had every possible base covered by now, but Flickr’s Galaktek has managed to find a roving niche as yet unfilled. And now we think about it, it’s an obvious one too. Any planet worth inhabiting must have water, but until now the liquid surface of space has been completely ignored by the rover designers of the internet. However, with niftily retractable wheels and a suite of propellors, Galaktek‘s Beatles-esque ‘Submarover’ can explore the oceans and land in equal measure, all whilst singing an irritating tune. Set sail via the link above.