Black and white photo of diocesan priest Georges Lemaître. He is wearing a dark jacket and shirt with his white priest’s collar. He has glasses on, with his hair combed back, and is looking at the camera with a neutral expression.

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1. Robert McNees (mcnees@mastodon.social)'s status on Monday, 17-Jul-2023 15:41:08 UTC Robert McNees

   Physicist & astronomer Georges Lemaître was born #OTD in 1894.

   In 1927 he proposed a model of an expanding Universe. Then, in 1931, he ran the clock backwards and hypothesized its origin as a “unique atom” or “unique quantum,” paving the way for modern ideas about the Big Bang.

   Lemaître and the expanding universe were the subject of a nifty Google doodle back in 2018.

   Photo: Bettmann
   Gif: The Google Doodle team