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The US National Aeronautics and Space Administration (NASA) has just announced that the Juno spacecraft has for the first time discovered mineral salts and organic compounds on the surface of Jupiter's moon Ganymede.
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| The Juno spacecraft has detected mineral salts and organic compounds on the surface of Jupiter's moon Ganymede for the first time. |
According to NASA, these findings could help scientists better understand the origins of Ganymede and the composition of its deep ocean by analyzing the characteristics of hydrated salts, ammonium chloride, sodium bicarbonate, and possibly fatty aldehydes. Scientists have long been interested in Ganymede because it hides a vast ocean beneath its icy crust.
Previously, the moon Europa, believed to harbor an ocean under its icy crust, also entered Juno's sights for the first time in October 2021, then in September 2022, and the next approach has been planned for December 30, when the spacecraft will come within 932 miles (1,500km) of its surface.
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