A Star’s Auroras Light the Way to a New Exoplanet
Jupiter’s moon Io—the solar system’s most volcanic world—has inspired a new way to find distant exoplanets. As the moon orbits Jupiter, it tugs on the planet’s magnetic field, generating bright auroras in Jupiter’s atmosphere. Even if we couldn’t see Io itself, the enormous auroras, pulsing to the beat of a hidden orbiting body, would tell us that something was out there. Original story reprinted with permission from Simons Foundation whose mission is to enhance public understanding of science by covering research developments and trends in mathematics and the physical and…
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