Twenty-two years ago, the Galileo spacecraft made its first flyby of Ganymede, Jupiter’s largest moon. Scientists with NASA have taken a new look at the data collected during that historic encounter, providing tantalising new details about this strange celestial object, its unique magnetic shield, and its unusually bright auroras.
Now you can get the top stories from Gizmodo delivered to your inbox. Enter your email below.
By subscribing you agree to our Terms of Use and Privacy Policy.