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1. Robert McNees (mcnees@mastodon.social)'s status on Monday, 17-Jul-2023 15:57:45 UTC Robert McNees

   in reply to

   In 1931, Lemaître pursued a radical line of thought. He ran the clock of his expanding Universe model backwards and concluded that there must be some sort of beginning.

   This would be an extremely dense and energetic phase which he described as "very different from the present order of Nature."

   In a short letter published in Nature, Lemaître used the terms “unique quantum" and "unique atom” to refer to this hypothetical early state.

   His letter is available here: https://www.nature.com/articles/127706b0.pdf