Big Think Where did our universe come from? | Ethan Siegel: Full Interview
Jul 9, 2025
Ethan Siegel, Ph.D., is an acclaimed astrophysicist and author known for his engaging science communication. In this discussion, he unpacks the origins of the universe, diving into the Big Bang theory and the concept of cosmic inflation. Siegel explains complex ideas like singularities, black holes, and the alluring possibility of a multiverse. He also highlights how the James Webb Space Telescope is revolutionizing our understanding of ancient galaxies and the universe's future. Prepare for a captivating journey through the cosmos!
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Ethan's Path To Science Communicator
- Ethan Siegel became a science communicator to share profound cosmic questions accessible to everyone.
- He aims to guide curious minds without jargon or equations towards understanding the universe's origins.
Hubble Redefined Universe Scale
- Edwin Hubble proved that "nebulae" like Andromeda are separate galaxies, far outside the Milky Way.
- He used Cepheid variable stars as cosmic distance markers, revolutionizing our universe's scale.
Lemaitre's Expanding Universe Insight
- George Lemaitre combined observations and math to conclude the universe is expanding.
- He introduced the "cosmic egg" singularity concept, the origin of the Big Bang idea.