As a huge gas giant planet, Jupiter also has many moons. In a new announcement this week, NASA has shown for the first time the first color photos of the Arctic in The Ganymede. Last December, the Juno spacecraft captured these stunning images during a mission to fly Jupiter. It is worth mentioning that Ganymede is also the only satellite in the solar system that has its own magnetic field.
NASA explained that the lack of atmosphere on Europa allowed the plasma to bombard the satellite’s poles, causing major changes in the ice in these areas.
The good news is that, by making the first comprehensive observations of Ganymede’s Arctic, Juno also provides scientists with their first chance to study this phenomenon and its effects on surface ice.
Compared with the ice on Earth, the ice on the Ganymede is not crystalline because it is constantly affected by Jupiter’s magnetosphere plasma.
Juno is reported to have flown over Jupiter at the end of 2019 and successfully took 300 pictures of the Ganymede’s North Pole from a distance of about 62,000 miles, with a resolution of about 14 miles per pixel.
Eventually NASA determined that it had so-called “non-stereotyped” ice at least in the poles. Compared with ordinary crystalline ice developed near the moon’s equator, it produces a different infrared signal. Details of the study will have a more direct impact on similar explorations in the future.