Get a daily digest of the latest news in tech, science, and technology, delivered right to your mailbox. Subscribe now.Juno missionThis flyby enabled the spacecraft's Jovian Infrared Auroral Mapper spectrometer to capture infrared photos and spectra of Ganymede's surface. This dataset comprises chemical signatures of materials defined by how they interact with and reflect infrared light.
Furthermore, evidence suggests the presence of a subsurface ocean under its thick, frozen surface. It is scientifically interesting because it raises the possibility of discovering extraterrestrial life forms beyond Earth. Thanks to this enhanced level of detail, scientists could identify the presence of hydrated sodium chloride, ammonium chloride, sodium bicarbonate, and potentially aliphatic aldehydes on Ganymede's surface.
“We found the greatest abundance of salts and organics in the dark and bright terrains at latitudes protected by the magnetic field. This suggests we are seeing the remnants of a deep ocean brine that reached the surface of this frozen world,” said Bolton.
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