Saturn's largest moon, Titan, resembles an Earth you might find in a parallel universe.

It is a mysterious and intriguing moon because it's the only other world we currently know of that has liquid on its surface.

It has its own "water cycle" and its poles show an abundance of glistening lakes.

And weirdly enough, it seems like some of them are just up and vanishing.

That's according to a new study, published April 15 in Nature Astronomy, that assessed the lakes at Titan's north pole, using data from NASA's Cassini spacecraft, which was equipped with a RADAR instrument and infrared imager.

A team of researchers from Johns Hopkins Applied Physics Laboratory and NASA's Jet Propulsion Laboratory studied images from Cassini's flyby in 2006, noting the presence of dark patches across the northern hemisphere -- the methane lakes.

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