On Dec. 28, 2000, NASA’s Galileo spacecraft discovered auroras on Ganymede, Jupiter’s largest moon. Galileo launched in 1989 ...
In the end, it was the hint of life on an icy moon that doomed the Galileo spacecraft to a fiery death. This afternoon, the NASA spacecraft will end its 2.8-billion-mile odyssey with a suicidal plunge ...
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