Earth might have hairy dark matter

filaments of dark matter

This illustration shows Earth surrounded by theoretical filaments of dark matter called “hairs.” Credit: NASA/JPL-Caltech

The solar system might be a lot hairier than we thought. A new study publishing this week in the Astrophysical Journal by Gary Prézeau of NASA’s Jet Propulsion Laboratory, Pasadena, California, proposes the existence of long filaments of dark matter, or “hairs.”

Earth might have hairy dark matter

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