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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 ...
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Jupiter’s moon ...
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 ...
The asteroid strike would have "completely removed the original surface" of Ganymede. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A colossal ...
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