The 'Rubber Ducky' Comet Is Stressed and Keeps Cracking Its Neck
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Comet 67P's head has spent 4.5 billion years trying to twist away from its neck. And that's caused some stress fractures.The 'Rubber Ducky' Comet Is Stressed and Keeps Cracking Its Neck
Comet 67P's head has spent 4.5 billion years trying to twist away from its neck. And that's caused some stress fractures. Read more