"Juno" discovered a new volcano on Io

After analyzing the data collected by the station "Juno", scientists found traces of a previously unknown hot area on the surface of Io. Her infrared images were captured using the JIRAM (Jovian Infrared Auroral Mapper) tool on December 16, 2017. At the time of the shooting Juno was located at a distance of 470 thousand km from the surface of the volcanic moon.
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According to experts of the mission, the region is located in the South Pole area at a distance of 300 km from the nearest mapped hot spot Io. They do not exclude the possibility of a shift of the latter, but on the whole they consider such a scenario as highly unlikely. Most likely, Juno discovered a new volcano.
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Io is the most active body in the solar system. Interplanetary missions and terrestrial telescopes discovered on its surface more than 150 foci of volcanic activity. In total, according to experts, at Io there are at least 400 active volcanoes. The streams of lava erupted by them stretch across the surface of the satellite for hundreds of kilometers, constantly reshaping its landscape. On Io, there are whole lakes filled with molten sulfur.
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To top it all, gases and particles of solid matter emitted by Io volcanoes interact with Jupiter’s magnetosphere and amplify it. Because of this, the satellite orbit actually passes inside one of the powerful radiation belts of the giant planet. The radiation level on the surface of Io is such that a person would receive a lethal dose of radiation in just a few hours.

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