NASA’s Juno spacecraft has mapped areas of heat on Jupiter’s moon Io during two recent close flybys. The data was collected using the Microwave Radiometer (MWR) instrument, providing insights into the volcanic activity of this celestial body.
The graphic released by NASA illustrates the regions sampled by the MWR during Perijove 57 on December 30, 2023, and Perijove 58. The December 30 flyby primarily mapped Io’s northern hemisphere, as indicated by the black overlapping lines representing the instrument's footprints.
The blue lines on the graphic represent data collected during Perijove 58. While specific details of Perijove 58 are not detailed in this release, both flybys contribute to a broader understanding of Io’s thermal landscape and volcanic processes. The purpose of these observations is to better understand how heat is distributed across Io's surface.
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