This quote from Edward Robert Harrison – “hydrogen, given enough time eventually turns into humans”. How does it happen?
In: Biology
Hydrogen in sufficient quantities collapses into a star. The heat and pressure inside the star makes the hydrogen fuse into heavier elements. If the star is heavy enough, the hydrogen will fuse into all of the elements up to being as heavy as iron. If the star is even heavier enough it will explode as a supernova, creating elements much heavier than iron.
The explosion also sends all of those atoms out into space. Hydrogen collapses into new stars. Heavier elements accumulate into planets. Complex chemistry happens, life arises, evolution happens, humans happen.
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