| http://www.w3.org/ns/prov#value | - PAUL STEINHARDT (Princeton University): We have confidence in extrapolating back from the present to when the first stars and galaxies formed and the Universe was only a billion years old, or extrapolating back farther to when the first atoms were formed, when the Universe was a few hundred thousand years old, or when the first nuclei formed when the Universe was only a few seconds old.
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