17:54 GMT +315 October 2018
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    NASA Develops Outer Space Submarine to Explore Saturn

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    Over the past ten years, NASA has been studying Saturn and its many moons, including the largest one, Titan, with the help of its Cassini spacecraft. By 2040, however, the US space agency may use other, more sophisticated equipment for the purpose.

    NASA specialists and Washington State University researchers are developing an outer space submarine, which they hope to send to Titan, the largest of Saturn's moons and the second largest moon in the solar system.

    The Titan Submarine is scheduled to be sent to explore Titan's freezing hydrocarbon seas within the next twenty years, and its design is still being updated, according to a Washington State University press release published on the website phys.org.

    Cassini, Titan, & Saturn
    Cassini, Titan, & Saturn

    "The submarine that the agency is designing will have to operate autonomously. It will need to study atmospheric and ocean conditions, move around sea beds, and hover at or below the surface," the press release said.

    This will certainly be a hard nut to crack, given that the temperature drops to —300 Fahrenheit (-184 Celsius) in Titan's oceans where the concentration of ethane and methane can vary dramatically.

    That's why researchers re-created a Titan ocean in a laboratory to specifically understand how the heat emanated from the submarine would affect its hydrodynamic characteristics.

    They also developed a special video camera and an optical device called a borescope, capable of withstanding low temperatures and high pressures.

    The past ten years have seen NASA using unmanned Cassini spacecraft to obtain data for exploring Saturn's numerous moons. 

    Related:

    Farewell, Friend: NASA’s Cassini Locks Itself on Death Course with Saturn
    A Fate Preordained: Cassini Flies Toward a Fiery Death in Saturn’s Atmosphere
    US Saturn Probe Cassini to Begin Final Five Orbits on Monday - NASA
    Tags:
    equipment, Titan, outer space, Saturn, submarine, Washington State University, NASA
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