When the universe first switched on its lights
In short: Explore the chaotic era following the Big Bang to discover how the first stars transformed the cosmos and paved the way for life.
This presentation by Emma Chapman examines the first billion years of the universe, a period known as the Epoch of Reionisation. During this time, the first stars ignited, emitting high-energy radiation that created bubbles of ionised hydrogen around them.
These primordial stars were vastly different from our own; they were roughly a million times more luminous and hundreds of times larger than the sun. Their rapid lifecycles ended in massive explosions, scattering the heavy elements necessary for planets and life throughout the universe.
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Sources
- Summary by Intellect · source: The First Billion Years of the Universe - with Emma Chapman
- Also: News - New book sheds light on start of the Universe - University of Nottingham
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