A miniature submarine could one day be used to explore the depths of Europa's mysterious ocean.
Jupiter's icy moon is widely hailed as one of the most promising places to look for life because it is home to what is believed to be a vast ocean of liquid water beneath a relatively thin shell of ice. A mission to look for life on Europa would be no easy task however, on top of the usual perils of landing on another world scientists would need to find a way to get a robotic vehicle down through the ice before any exploration could take place.
One of the most promising ideas involves the use of a tiny submarine no larger than two soda cans. Originally conceived by JPL and Sweden's Uppsala University, the sub would be light enough to be carried on a spacecraft and small enough to be able to access the depths through only a small borehole in the ice.
"One of the first visitors to Jupiter's icy moon of Europa could be a tiny submarine barely larger than two soda cans."
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