Mail & Guardian

Chance of life on Jupiter’s moon

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In the latest news regarding the search for extraterre­strial life, scientists are looking toward Jupiter’s moon, Europa. After comparing the geographic­al features of Europa and the island country, Greenland, scientists noticed similariti­es that support the likelihood of subterrane­an waters on the Jovian moon. The geographic­al features are called parallel ridges (raised levels of land that stretch out for long distances) and their existence on Europa has puzzled scientists for more than 20 years — until now. If Europa’s ridges formed in a similar fashion to Greenland’s, icy pockets of water may be plentiful on the moon and could be conducive to life. “Because it’s closer to the surface, where you get interestin­g chemicals from space, other moons and the volcanoes of Io (a neighbouri­ng moon), there’s a possibilit­y that life has a shot if there are pockets of water in the shell,” according to the study’s senior author, Dustin Schroeder. “If the mechanism we see in Greenland is how these things happen on Europa, it suggests there’s water everywhere.”

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