Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 on a ...
LOS ANGELES - Since 1989, the camera on NASA's Galileo spacecraft has captured a comet slamming into Jupiter, volcanoes erupting on one of its moons and the first known moon orbiting an asteroid. On ...
In a mission that changed our understanding of gas giants, NASA’s Galileo spacecraft made history not just in orbit but also in its dramatic descent into Jupiter’s atmosphere. Launched in October 1989 ...
When NASA launched the Pioneer probes, they were met with an intriguing mystery. At around 20 astronomical units, both ...
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