Ganydene, the largest moon in the solar system, is the only one that has its own magnetic field, and the most differentiated of all of its kind, and it possibly possess "a subsurface ocean of liquid water."
Thirty years ago, Voyager 2 made a flyby on Uranus which sent valuable data back to Earth. But it was not only recently that scientists discovered that there are plasmoids in Uranus, an indication that its atmosphere is being stripped away.
The Inouye Solar Telescope released the initial images of the Sun it captured. It unveiled the Sun not just in unprecedented detail but also helped scientists look into the mechanics behind the star's unpredictable space weather.