NASA has showcased their vision of a submersible robot that could explore Titan's vast lakes of liquid methane and ethane.

NASA's Cassini spacecraft has extensively studied several seas during multiple flybys, some of which average a few metres deep, whereas others have depths of over 200 metres the maximum depth at which Cassini's radar instrument can penetrate.

So, if scientists are to properly explore Titan, they must find a way to dive into these seas to reveal their secrets.

At this year's Innovative Advanced Concepts (NIAC) Symposium, a Titan submarine concept was showcased by NASA Glenn's COMPASS Team and researchers from the Applied Research Lab.

"Measurement of the trace organic components of the sea, that may exhibit pre-biotic chemical evolution, will be an important objective," the scientists wrote.

Envisaged as a possible mission to Titan's largest sea, Kracken Mare, the autonomous submersible would be designed to make a 90-day, 2,000-kilometre voyage exploring the depths of this vast and very alien marine environment.

Communicating with Earth would not be possible when the vehicle is submerged, so it would need to make regular ascents to the surface to transmit science data.

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