Europa may literally glow green, blue or white on its night side because Jupiter’s radiation energises salts frozen into its surface, and the colour of that glow could offer a new clue to what its hidden ocean is made of

A laboratory experiment found that Europa-like salty ice emits different visible glows under high-energy electrons, offering a possible new way to map the moon's surface chemistry in darkness. The post Europa may literally glow green, blue or white on its night side because Jupiter’s radiation energises salts frozen into its surface, and the colour of that glow could offer a new clue to what its hidden ocean is made of appeared first on Space Daily .