By replicating conditions that may be present on the surface of Europa, one of Jupiter's dozens of moons, scientists found that this icy orb might glow.
Scientists at NASA’s Jet Propulsion Laboratory (JPL) created glowing pieces of ice by freezing water and various water/salt solutions that are most likely to be present on Europa down to 100 Kelvin (-279.67 degrees Fahrenheit) and hitting them with radiation just like Europa experiencesThe results published in Nature Astronomy Monday suggest Europa could glow.
The light and intensity of Europa's glow is determined by its composition. By conducting these experiments, future missions to observe Europa like Europa Clipper will be able to compare close-up findings with data collected in Monday's study to see what exactly Europa is made of, whether that’s water with sodium chloride (table salt), magnesium sulfate (Epson salt), sodium carbonate, or other solutions. Read more...
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