Europa

Europa’s hot and cold currents

Jupiter’s moon Europa appears to have a surprising cold area located on its north hemisphere. NRAO astronomer Bryan Butler and Caltech researchers Samantha Trumbo and Michael Brown compared the new ALMA observations of Europa to a thermal model based on observations from NASA’s Galileo spacecraft. This comparison allowed the team to analyze the temperature changes …

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Subglacial water currents and circuits

subglacial circuits subglacieal water

Subglacial lakes and subglacial water currents have now also been found in Greenland’s ice sheets. The first subglacieal lakes and life were found in Antarctica, with Lake Vostok perhaps the most famous. Does a subglacial water system mean it is a natural circuit? What sort of component in planet Earth’s plasma and electromagnetic circuit? The …

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