Dark Matter Mass Map (IMAGE)
Caption
Map of dark matter made from gravitational lensing measurements of 26 million galaxies in the Dark Energy Survey. The map covers about 1/30th of the entire sky and spans several billion light-years in extent. Red regions have more dark matter than average, blue regions less dark matter.
Credit
Image: Chihway Chang of the Kavli Institute for Cosmological Physics at the University of Chicago and the DES collaboration.
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