How did the Universe begin? | Great Debates in Physics (Cosmology)

Go to http://brilliant.org/DrBecky and sign up for free. The first 200 people that go to that link will get 20% off the annual premium subscription. In the beginning, there was....what? Thankfully Physics can now help us answer that question! But during the 20th Century, there was a debate raging between whether the Universe started in a Big Bang or has existed forever. Thankfully that debate was eventually settled by radio astronomy...

Alpher, Bethe & Gamow (1948) - https://journals.aps.org/pr/pdf/10.11...
Alpher & Herman (1948) - https://www.nature.com/articles/16277...

Ryle (1955) - https://ui.adsabs.harvard.edu/link_ga...

Dickie et al. (1965) - http://articles.adsabs.harvard.edu/pd...
Penzias & Wilson (1965) - http://articles.adsabs.harvard.edu/pd...

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📚 "Space: 10 Things You Should Know": http://bit.ly/SpaceDrBecky

📚 US & Canada version: "Space at the speed of light" (same book, different title): https://www.penguinrandomhouse.com/bo...

📚 German translation "Das kleine Buch vom großen Knall" : https://www.dtv.de/buch/becky-smethur...

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🔭 Royal Astronomical Society podcast that I’m co-hosting 😱 🥳- podfollow.com/supermassive

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The artwork in the background is a scientifically accurate map showing the orbits of more than 18000 asteroids in the Solar System, created by Eleanor Lutz. Find out more and buy one here: https://eleanorlutz.com/mapping-18000...

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📹 Dr. Becky also presents videos on Sixty Symbols:    / sixtysymbolsand   Deep Sky Videos:    / deepskyvideos  

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👩🏽‍💻 Dr Becky Smethurst is an astrophysicist researching galaxies and supermassive black holes at Christ Church at the University of Oxford.
http://drbecky.uk.com
https://rebeccasmethurst.co.uk