Jupiter Ganymede

Jupiter Ganymede is a best sence of the sky. The Ganymede is a satellite of jupiter and the largest moon in the solar system. It is the Seventh moon and third galilean satellite outword from jupiter. Ganymede is composed of approximately equal amounts of silicon rock and water ice. A saltwater ocean is belived to exist nearly 200km below Ganymede surface. Ganymede is the only satellite in the Solar System known to possess a magnetosphere, likely created through convection within the liquid iron core. Ganymede's discovery is credited to Galileo Galilei, who was the first to observe it on January 7, 1610. Originally sighted by Galileo, it is the largest satellite in the solar system.

  Jupiter Ganymede

 

  Jupiter Ganymede