Tianwen-4
Tianwen-4 (Chinese: 天问四号; pinyin: Tiānwèn Sì Hào), formerly known as Gan De (Chinese: 甘德; pinyin: Gān Dé), is a planned Chinese interplanetary mission to study the Jovian system, possibly sharing a launch with a spacecraft which will make a flyby of Uranus. == Overview == The goals of the planned Tianwen-4 Jupiter mission include: study of the interaction between magnetic fields and plasma present in the Jovian system, examination of the compositional variations in the Jovian atmosphere, exploration of the internal structures and surface characteristics of either Ganymede or Callisto, as well as investigation of the space environment surrounding the aforementioned Galilean satellites.