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moving background

(Redirected from Cosmic microwave background)"CMB" redirects here. For other uses, see CMB (disambiguation).

In cosmology, the cosmic microwave background radiation (most often abbreviated CMB but occasionally CMBR, CBR or MBR, also referred as relic radiation) is a form of electromagnetic radiation discovered in 1965 that fills the entire universe. It has a thermal 2. 725 kelvin black body spectrum which peaks in the microwave range at a frequency of 160. Animated Backgrounds - Moving Background - Night Sky. 4 GHz, corresponding to a wavelength of 1. 9 mm. Most cosmologists consider this radiation to be the best evidence for the hot big bang model of the universe.

Features

The cosmic microwave background spectrum measured by the FIRAS instrument on the COBE satellite is the most precisely measured black body spectrum in nature. The data points and error bars on this graph are obscured by the theoretical curve. moving background - move to mover.