FEB 25, 2015 04:26 PM PST

Sand Dunes on a Comet?

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The comet 67P has provided an avalanche of astonishing discoveries that may puzzle scientists for years to come. And one problem that will simply not go away is the seemingly impossible dunes, or dune-like ripples at the comet's neck.
About the Author
  • I'm a writer living in the Boston area. My interests include cancer research, cardiology and neuroscience. I want to be part of using the Internet and social media to educate professionals and patients in a collaborative environment.
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