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could there be life in the oceans of Ganymede.

NASA's Juno spacecraft has detected salts and organic compounds on the surface of Ganymede, Jupiter's largest moon.

The detection was made during a June 2021 flyby in which Juno analyzed Ganymede using its Jovian InfraRed Auroral Mapper (JIRAM) spectrometer, an instrument designed to study the chemistry and interactions within Jupiter's atmosphere and those of its moons. Ganymede, one of those moons and the largest moon in the solar system — at 3,270 miles (5,268 kilometers) wide, it's bigger than the planet Mercury — has a vast ocean underneath its icy crust.

During its 2021 flyby of Ganymede, Juno's JIRAM instrument detected salts such as hydrated sodium chloride, ammonium chloride, sodium bicarbonate, and possibly even organic compounds known as aliphatic aldehydes. The discovery of these compounds and salts can help astronomers better understand how Ganymede formed and evolved and possibly shine light on the chemical composition of its subsurface ocean.

https://www.livescience.com/space/j...om-hidden-ocean-on-jupiters-icy-moon-ganymede
 
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