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Cosmic microwave background
/kˈɒzmɪk mˈaɪkɹəʊwˌeɪv bˈakɡɹaʊnd/
/kˈɑːzmɪk mˈaɪkɹoʊwˌeɪv bˈækɡɹaʊnd/Cosmic microwave background
01
(cosmology) the faint glow of radiation spreading through the universe, believed to be residual radiation from the Big Bang
Example
The cosmic microwave background is the afterglow of the Big Bang.
The cosmic microwave background is remarkably uniform across the sky.
Observations of the cosmic microwave background support the idea of inflation.
Astronomers study cosmic microwave background radiation to gather evidence supporting the Big Bang theory.
