Europa Clipper's new radar-compatible technique will explore Jupiter's moon Europa in 2024.
Aerospace engineer-turned-entrepreneur creates SAR satellites that see through 'cloudy' Ukrainian skiesThe research team conducted surveys over the Devon Ice Cap in the Canadian Arctic to test the technique. They successfully mapped a layer of impermeable ice near the surface, resembling a slab, which redirects surface melt into water channels downhill.
"If you have only relatively thin ice layers, then the firn [snow-packed surface layers] has the ability to absorb and retain surface meltwater," Chan said. "But if these impermeable slabs are widespread, then the contribution of surface melt to sea level rise is enhanced," he explained in aThe ice layers on the Devon Ice Cap were unexpectedly thick, with some forming slabs up to 16 feet thick over several miles.
This mission and a European Space Agency spacecraft launched earlier will enable two ice-penetrating radar instruments to investigate Jupiter's moons Europa and Ganymede.The newfound capability will allow scientists to explore the upper layers of icy shells, potentially uncovering frozen brine, cryovolcanic remnants, or plume fallout deposits.
France Dernières Nouvelles, France Actualités
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