The Philae lander’s unfortunately bumpy arrival on comet 67P six years ago, bouncing across the surface and landing on its side, made it impossible to sample the comet’s icy interior. When Philae went into hibernation that seemed to be the end of the story. Now a painstaking investigation has reconstructed Philae’s final journey and discovered data that allows them to measure the strength of the ice inside the comet - the first time this kind of direct measurement has been made.

You can read the paper here: https://www.nature.com/articles/s4158...

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