The MAJIS instrument


MAJIS - Moons and Jupiter Imaging Spectrometer - is a hyper-spectral imaging spectrometer for observing tropospheric cloud features and minor species on Jupiter and for the characterisation of ices and minerals on the surfaces of icy moons. MAJIS will cover the visible and infrared wavelengths from 0.4 to 5.7 microns, with spectral resolution of 3-7 nm. The spatial resolution will be up to 25 m on Ganymede and about 100 km on Jupiter.
  • Principal Investigator: Y. Langevin, Institut d'Astrophysique Spatiale, France
  • Lead Funding Agency: CNES, France


MAJIS is one of the instruments on board the ESA JUICE mission. JUICE - JUpiter ICy moons Explorer - is the first large-class mission in ESA's Cosmic Vision 2015-2025 programme. Planned for launch in 2022 and arrival at Jupiter in 2029, it will spend at least three years making detailed observations of the giant gaseous planet Jupiter and three of its largest moons, Ganymede, Callisto and Europa.
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