Ganymede Shows Hints of Solar System’s Largest Impact #SpaceSaturday
The impact craters on the moon give it some of its character, as well as many of its loveliest features. But our moon is nothing compared to Jupiter’s moon of Ganymede, which may hold the scars of the solar system’s largest impact structure. Here’s more from Astronomy Now.
Re-analysing images captured by NASA’s Galileo Jupiter orbiter and the Voyager 1 and 2 flyby missions, researchers from Kobe University and Japan’s National Institute of Technology Oshima College have identified concentric rings in patches of dark terrain that appear to be centred around a single point.
The presumed impact structure stretches 7,800 kilometres (4,847 miles) across Ganymede, the largest moon in the solar system. For comparison, Ganymede’s circumference is just 16,530 kilometres (10,271 miles).
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