Hydrated Salt Minerals on Ganymede's Surface: Evidence of an Ocean below

Reflectance spectra from Galileo's near-infrared mapping spectrometer (NIMS) suggests that the surface of Ganymede, the largest satellite of Jupiter, contains hydrated materials. These materials are interpreted to be similar to those found on Europa, that is, mostly frozen magnesium sulfate bri...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 2001-05, Vol.292 (5521), p.1523-1525
Hauptverfasser:	McCord, Thomas B., Hansen, Gary B., Hibbitts, Charles A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Artificial satellites Astrogeology Astronomy Cosmochemistry. Extraterrestrial geology Earth sciences Earth, ocean, space Evidence Evolution, Planetary Exact sciences and technology Extraterrestrial geology Galilean satellites Ganymede (Satellite) Ice Individualized Instruction Italian ices Jovian satellites Jupiter Magnesium Sulfate - analysis Materials Minerals Minerals - analysis Natural history Oceans Planets Salts Satellites Spectral bands Spectral reflectance Spectral signatures Spectrum Analysis Subduction Water
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