An asteroid 20 times larger than the one that may have wiped out the dinosaurs struck Jupiter's moon Ganymede some 4 billion years ago, dramatically shifting the possibly life-hosting satellite's axis ...
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A massive collision billions of years ago may have dramatically reoriented Ganymede, Jupiter’s largest moon. Naoyuki Hirata at Kobe University, Japan, and his colleagues studied Ganymede’s extensive ...
The asteroid collision that killed the dinosaurs 65 million years ago may have been a major cosmic crack-up, but it was nothing compared to a bigger impact that occurred roughly four billion years ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. NASA’s Juno spacecraft has been exploring Jupiter since it ...
Differences in the number and speed of cometary impacts onto Jupiter’s large moons Ganymede and Callisto some 3.8 billion years ago can explain their vastly different surfaces and interior states, ...
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