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100 YEARS OF THE IAU

Cosmology’s early days

After George Gamow first proposed the idea of a hot Big Bang in 1948, it took 15 years for the burgeoning cosmology community to recognize his contribution for what it was.

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Fig. 1: The noise budget in a Bell study for microwave communication.

Adapted from ref. 5, Elsevier.

Fig. 2: Gamow’s picture for cosmic evolution in the early stages of expansion of the Universe in his hot Big Bang theory.

Reproduced from ref. 1, Springer Nature Ltd.

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Correspondence to P. J. E. Peebles.

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Peebles, P.J.E. Cosmology’s early days. Nat Astron 3, 1055–1057 (2019). https://doi.org/10.1038/s41550-019-0960-3

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