Credit: Jeff Morgenthaler, PSI.
A large volcanic outburst was discovered on Jupiter’s moon Io by Jeff Morgenthaler of the Planetary Science Institute using PSI’s Io Input/Output observatory (IoIO).
PSI Senior Scientist Morgenthaler has been using IoIO, located near Benson, Arizona, to monitor volcanic activity on Io since 2017. The observations show some sort of outburst nearly every year, but the largest yet was seen in the fall of 2022.
Io is the innermost of Jupiter’s four large moons and is the most volcanic body in the Solar System thanks to the tidal stresses it feels from Jupiter and two of its other large satellites, Europa and Ganymede.
IoIO uses a coronagraphic technique which dims the light coming from Jupiter to enable ...
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