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Why did the Universe start off with Hydrogen, Helium, and not much else? | by Ethan Siegel | Starts With A Bang! | Medium
![particle physics - The Big Bang and universal elemental abundance. Predictions seems bad and unconvincing? - Physics Stack Exchange particle physics - The Big Bang and universal elemental abundance. Predictions seems bad and unconvincing? - Physics Stack Exchange](https://i.stack.imgur.com/e0Lld.jpg)
particle physics - The Big Bang and universal elemental abundance. Predictions seems bad and unconvincing? - Physics Stack Exchange
![The deuterium abundance (by number relative to hydrogen), y D ≡ 10 5... | Download Scientific Diagram The deuterium abundance (by number relative to hydrogen), y D ≡ 10 5... | Download Scientific Diagram](https://www.researchgate.net/publication/2014707/figure/fig12/AS:669613700419602@1536659755714/The-deuterium-abundance-by-number-relative-to-hydrogen-y-D-10-5-D-H-derived-from.png)
The deuterium abundance (by number relative to hydrogen), y D ≡ 10 5... | Download Scientific Diagram
![Deuterium abundance. The solid curve is the result obtained with the... | Download Scientific Diagram Deuterium abundance. The solid curve is the result obtained with the... | Download Scientific Diagram](https://www.researchgate.net/publication/224973204/figure/fig6/AS:342262342012937@1458613109955/Deuterium-abundance-The-solid-curve-is-the-result-obtained-with-the-standard-Maxwell.png)