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News From the Field

Massive galaxy cluster verifies predictions of cosmological theory


December 12, 2013

maps of the galaxy cluster MACS J0717+3745 By observing a high-speed component of a massive galaxy cluster, Caltech/NASA Jet Propulsion Lab scientists and collaborators have detected for the first time in an individual object, the kinetic Sunyaev-Zel'dovich effect, a change in the cosmic microwave background caused by its interaction with massive moving objects. Full Story

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California Institute of Technology

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