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Decoupling Of Matter And Radiation
Summary
The
decoupling of matter and radiation
refers to the
epoch in the universe's history
when
photons ceased to interact
frequently with matter, allowing light to travel freely through space. This event, occurring approximately 380,000 years after the Big Bang, marks the
transition from an opaque, hot plasma
to a
transparent universe
, enabling the
formation of the cosmic microwave background radiation
.
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