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The Big Bang has a Big Problem

Dr. Becky ↗

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AD - To try everything Brilliant has to offer for free for 30 days visit https://brilliant.org/DrBecky and you'll also get 20% off an annual premium subscription which gives you unlimited daily access to Brilliant. | The Big Bang Theory is nearly perfect, except for one glaring problem - where is all the lithium? According to the theory predictions there should be over three times as much lithium in the Universe than we’ve found with our observations. So is this a case of we’ve been looking in the wrong place for all this lithium and we just haven’t found it yet, or is there something wrong with the predictions that the Big Bang Theory makes for what happened in the first 3 minutes of the Universe’s life? Fields (2011 review) - https://arxiv.org/pdf/1203.3551 Cyburt, Fields & Olive (2008)- https://arxiv.org/pdf/0808.2818 Dring et al. (1997) - https://iopscience.iop.org/article/10.1086/304738 Spite & Spite (1982) - https://articles.adsabs.harvard.edu/pdf/1982A%26A...115..357S Dunkley et al. (2009) - https://arxiv.org/pdf/0803.0586 Hammache et al. (2013) - https://arxiv.org/pdf/1312.0894 Nollett et al. (1997) - https://arxiv.org/pdf/astro-ph/9612197 Borisov et al. (2024) - https://arxiv.org/pdf/2403.15534 Uzan et al. (2003) - https://arxiv.org/pdf/hep-ph/0205340 Watch next: All the evidence we have for dark matter - https://youtu.be/nbE8B7zggUg?t=107 00:00 Introduction 01:10 How much Lithium does the Big Bang theory predict? 06:07 How we measure the amount of Lithium with

Published 2026-03-05 · Watch on YouTube ↗
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