MACS J0717.5+3745 Cluster Verifies Predictions Of Kinetic Sunyaev-Zel'dovich Effect

By observing a high-speed component of the massive galaxy cluster MACS J0717.5+3745, an extraordinarily dynamic cluster with a total mass greater than 1015 (a million billion) times the mass of the sun or more than 1,000 times the mass of our own galaxy, researchers 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.  \ read more

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