Jupiter’s Moon Ganymede Generates Incredible Magnetic Waves

Artist concept of Ganymede and Jupiter
Illustration: NASA

NASA’s Galileo spacecraft surprised scientists when it revealed that Jupiter’s moon Ganymede generated its own magnetic field. But new research shows Ganymede also creates incredibly powerful waves that rocket particles to enormous energies.

Scientists revealed these huge electromagnetic waves while studying old data from Galileo, which orbited Jupiter from 1995 to 2003. The observations show another wild way that a moon can interact with the magnetic field of its planet. It’s a cool piece of science.

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