back in 2018 and utilized a cryogenic pump to extract propellant from Triton's surface to power a "hopper" that could travel up to 5 km a month, and do some fascinating science along the way.

Tides raised on Neptune’s surface by the pull of Triton’s gravity exert a drag on the satellite that causes its orbit to decay. The tidal action on Neptune also creates friction that ...

Discovered in 1846, Triton is the largest moon of Neptune ... Its retrograde orbit, icy surface, and strange atmosphere make it one of the most fascinating and mysterious moons in our solar ...