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reply to post by lostbook
Send a half dozen rovers to both moons, and dozens more to other moons. Why are humans sending just one rover at a time when. with not that much of an expense compared to military expenditure, we could be sending robotics to many planets and moons to collectively build a better picture of the entire solar system.
Cassini has already found large lakes – most likely made of hydrocarbons such as liquid methane – on Titan's surface. But a team of scientists using NASA's Cassini spacecraft have now found indirect but telltale signs of a subsurface sea, perhaps of water as well as ammonia, which would act like antifreeze.
The data suggest that the ocean, perhaps more than 15 miles deep, is sandwiched between two layers of ice, each less than 60 miles (100 kilometers) thick. It rides atop one layer of ice covering the moon's rocky core and appears to be capped with another ice layer that forms Titan's surface.