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November 25, 2015 12:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/hpu9vIBTdpU/dark-matter-grows-hair-around-stars-and-planets
Dark Matter Grows Hair Around Stars and Planets
StartsWithABang writes: Dark matter may make up 27% of the Universe's energy density, compared to just 5% of normal (atomic) matter, but in our Solar System, it's notoriously sparse. In particular, there's just a nanogram's worth per cubic kilometer, which makes the fact that we've never directly detected it seem inevitable. But recent work has demonstrated that Earth and all the planets leave a "wake" of dark matter where the density is enhanced by a billion times or more. Time to go put those dark matter detectors where they belong: in the path of these dark matter hairs.Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/hpu9vIBTdpU/dark-matter-grows-hair-around-stars-and-planets
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