The four biggest moons of Jupiter aren’t just blurry smudges in Galileo’s telescope anymore. The Italian astronomer Galileo Galilei discovered Ganymede, Callisto, Europa and Io back in 1610, which explains why they’re called the Galilean moons. We’ve learned a lot about these exotic bodies in the past 400 years thanks to ever-improving telescope views and […]
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Jupiter’s violent moon Io has been the solar system’s most volcanic body for around 4.5 billion years
The solar system’s most volcanic body, the moon of Jupiter Io, has been in turmoil for at least 4.57 billion years, right back to its birth and the infancy of the sun. Those are the findings of a team of scientists who examined Io with the Atacama Large Millimeter/submillimeter Array (ALMA) to track sulfur and […]
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