Concepts
Cosmic Microwave Background
Also Known As CMB
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The faint glow of microwave radiation filling the whole sky, released about 380,000 years after the Big Bang when the young universe first became transparent to light. Its accidental detection by Arno Penzias and Robert Wilson in 1965 provided decisive evidence for the Big Bang model.
Facts
Concept Domain Formulated YearYear of its detection by Penzias and Wilson; the radiation had been predicted theoretically in the late 1940s. Proposed ByRalph Alpher and Robert Herman 1 Cross-Tradition Connections
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Its 1965 detection provided decisive evidence for the Big Bang model.
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