The European Space Agency (ESA) has approved a mission for Jupiter. Three missions competed: Gravitational wave observatory, ATHENA X-ray telescope and mission to Jupiter JUICE (Jupiters Icy moons Explorer). The last victory. JUICE has an approximate budget of one billion euros and is expected to ship the probe in 2022. The objective of the 11-year mission will be to study the giant planet and its moons, especially Europe and Ganymede, and the possible oceans of liquid water that are created under its ice surface.