The Chamberlin–Moulton planetesimal hypothesis was proposed in 1905 by geologist Thomas Chrowder Chamberlin and astronomer Forest Ray Moulton to describe the formation of the Solar System. It was proposed as a replacement for the Laplacian version of the nebular hypothesis that had prevailed since the 19th century.
The most well-known and influential formal model of communication, developed in 1949 by Claude Shannon and Warren Weaver.
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3,159.0053 + 4,215.8617 + 1,982.516 + 7,002.75