NASA mission to get up close with Jupiter moon — the largest in the solar system
The largest moon in our solar system is preparing for its first close-up in more than 20 years on Monday. NASA’s Juno mission has been observing Jupiter and its moons since July 2016, and now Juno will come within 645 miles (1,038 kilometers) of Ganymede’s surface. It’s the closest a spacecraft has been to the
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