Dark Matter

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Symmetry: How to Weigh a Galaxy Cluster

Step on a scale and you’ll get a quick measure of your weight. Weighing galaxy clusters, groups of hundreds or thousands of galaxies bound together by gravity, isn’t so easy. But scientists have many ways to do it.

SLAC, Stanford Scientists Play Key Roles in Confirming Cosmic Inflation

Two scientists at Stanford University and SLAC National Accelerator Laboratory made key contributions to the discovery of the first direct evidence for cosmic inflation – the rapid expansion of the infant universe in the first trillionth of a trillionth of a trillionth of a second after the Big Bang.

Symmetry: CDMS Result Covers New Ground in Search for Dark Matter

In a newly announced result from the Cryogenic Dark Matter Search experiment, scientists have placed a more stringent limit on "light," or low-mass, dark matter. SLAC and Stanford members of CDMS created the detectors used in the search, and SLAC graduate student Kristi Schneck was a key member of the analysis team that produced the result.

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