Cosmic threads may hide some of universe’s missing matter

Astronomers seek lost atoms in hard-to-see filaments between galaxy clusters

SCAVENGER HUNT The massive galaxy cluster Abell 2744, seen in this Hubble Space Telescope image, sits at the nexus of three galactic filaments that might house some of the universe's missing matter.

NASA, ESA

By Christopher Crockett

August 4, 2015 at 4:56 pm - More than 2 years ago

HONOLULU — Some people have trouble finding their keys; astronomers, meanwhile, have been having trouble locating half of the atoms in the universe.

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