In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Context: reasonably detectable with medium-size binoculars, including larger craters on the Moon; the dim outer planets Uranus and Neptune; the inner "minor planets" Ceres, Vesta and Pallas; Saturn's largest moon Titan; and the Galilean moons of Jupiter. Link Information: dy. It has a geochemically distinct crust, mantle, and core. The Moon has a solid iron-rich inner core with a radius possibly as small as 240 km and a fluid outer core primarily made of liquid iron with a radius of roughly 300 km. Around the core is a partially molten boundary layer with a radius of about 500 km. T Question: Of the moons that can be seen with the help of binoculars, which is the largest?
Answer: Ganymede