JWST Peeks at Callisto’s Ancient Scars

Of Jupiter’s four Galilean moons, Callisto is the one that gets the least attention. Io is constantly being resurfaced by volcanoes. Europa has a giant liquid water ocean. And Ganymede has its own magnetic field that interacts with its pare…

Summary from Universe Today.

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1. Universe Today 18 Aug
   JWST Peeks at Callisto’s Ancient Scars ↗