JWST Peeks at Callisto’s Ancient Scars
2 Articles
2 Articles
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 parent planet in weird ways. Callisto, by comparison, seems sedate, with its ancient, crater-saturated surface seemingly frozen in time. But new data from the James Webb Space Telescope (JWST) shows that even this…
Recent data from the James Webb Space Telescope (JWST) indicate that Callisto, one of Jupiter's moons, exhibits more intense geological activity than previously thought. The research, led by Maria Camamarca of Caltech, was published in the Planetary Science Journal and uses the JWST's NIRSpec instrument to analyze the moon's surface. JWST Data on Callisto The JWST collected comprehensive data on Callisto, focusing on its surface and geological f…
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