TED Radio Hour Short Wave: Big Bang Revisited
Aug 14, 2024
Regina Barber, a dynamic host who connects with scientists, sits down with two expert cosmologists to unravel the Big Bang theory. They explore how this concept isn’t just a single moment but a significant period in the universe's history. The discussion highlights the cosmic microwave background and its revolutionary implications for understanding the early universe. Listeners will discover how the universe cooled and evolved, shedding light on its origins and the ongoing mysteries that captivate scientists today.
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Evolving Definition of the Big Bang
Scientists now refer to the Big Bang as a time period rather than a singular event. This shift reflects a deeper understanding of the universe's origins.
Serendipitous Discovery
Arno Penzias and Robert Wilson accidentally discovered the cosmic microwave background while investigating unexpected noise in their detectors. This finding became pivotal in understanding the universe's origins.
Understanding the Early Universe
The cosmic microwave background reveals significant information about the early universe, such as its hot state and the formation of neutral atoms. This understanding helps us trace the universe's evolution.