Short Wave: Big Bang Revisited
TED Radio Hour
Unveiling the Cosmic Microwave Background
This chapter explores the cosmic microwave background (CMB) and its vital role in revealing the early universe's conditions. It describes how photons transitioned from a dense plasma to free travel as the universe cooled, leading to the observable remnant radiation today. Additionally, the chapter discusses the temperature variations in the CMB and the tools used by scientists to analyze data, shedding light on the universe's formation and the mysteries that remain.
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