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/10.1103/PhysRev.73.803
Alpher & Herman (1948) - https://www.nature.com/articles/162774b0.pdf

Ryle (1955) - https://ui.adsabs.harvard.edu/link_gateway/1955MmRAS..67..106S/ADS_PDF

Dickie et al. (1965) - http://articles.adsabs.harvard.edu/pdf/1965ApJ...142..414D
Penzias & Wilson (1965) - http://articles.adsabs.harvard.edu/pdf/1965ApJ...142..419P

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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-asteroids

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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

Видео How did the Universe begin? | Great Debates in Physics (Cosmology) канала Dr. Becky