<\/p>\n A new study, however, suggests any shallow water the Europa Clipper detects may not necessarily be a direct window into Europa<\/a>‘s ocean after all.<\/p>\n Research led by planetary scientist Lujendra Ojha of Rutgers University indicates that Europa’s icy shell acts as a far more formidable barrier than previously assumed. Computer simulations modeling the physics of water traveling through fractures in the ice reveal that liquid rising from the ocean would move turbulently, shed heat rapidly and freeze the cracks shut \u2014 often in a matter of hours \u2014 long before reaching shallow depths.<\/p>\n “There’s an icy shell, there’s water underneath, and there’s all this speculation about how that water can come from deep underground and make its way all the way up without freezing en route,” Ojha said in a statement<\/a>. “That’s really what we think we disproved.”<\/p>\n You may like<\/p>\n To test this scenario, Ojha’s team built computer simulations to evaluate whether ocean water could rise through fractures in the crust and collect in shallow reservoirs closer to the surface. Such reservoirs, if fed directly by the ocean, would be significantly easier for passing spacecraft to detect and analyze than an ocean buried miles below.<\/p>\n While earlier models assumed water would flow smoothly through these pathways, real-world physics creates a far more chaotic journey, according to the new study. Instead of a steady stream, rising water churns turbulently against the frigid walls of the fractures, rapidly losing heat.<\/p>\n “It’s going to be left and right, it’s going to be up and down, it’s going to have a swirling motion,” Ojha said in the statement. “And when that happens, that liquid water is going to cool very, very fast as it approaches the surface.”<\/p>\n \n An artist’s illustration of Europa Clipper spacecraft flying above Jupiter’s icy moon Europa. (Image credit: NASA\/JPL-Caltech)<\/p>\n As the water rapidly cools, it remains liquid below its standard freezing point in a process called supercooling. This phenomenon, the study notes, triggers the formation of tiny, slushy ice crystals known as frazil ice that then quickly builds up and clogs the pathway.<\/p>\n While wider fractures could theoretically carry larger volumes of water, the results suggest that to prevent complete freezing, those channels would need to be “unrealistically long or occur in large numbers,” the university statement read.<\/p>\n What to read next<\/p>\n The findings could alter how scientists interpret incoming data from Europa Clipper<\/a>, which is scheduled to arrive at Jupiter in April 2030, as well as the European Space Agency’s Jupiter Icy Moons Explorer (JUICE<\/a>) mission. JUICE is set to arrive in July 2031 to study Jupiter alongside three of its ocean-bearing moons, Europa, Ganymede<\/a> and Callisto<\/a>.<\/p>\n If these spacecraft do discover shallow liquid pools or similar surface features, Ojha’s study suggests they are more likely created by localized melting inside the ice shell itself, rather than direct upwellings from the deep ocean.<\/p>\n “This helps future missions interpret what they find and better understand where to look for signs of habitability,” Ojha said in the statement.<\/p>\n![\"Space\"](\"https:\/\/www.space.com\/media\/img\/spc-logo-w.svg\"){kind=logo}
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