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Joseph Jérôme Le Français de Lalande

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Joseph Jérôme Le Français de Lalande

Joseph Jérôme Lefrançois de Lalande was a French astronomer, freemason and writer. He is known for having estimated a precise value of the astronomical unit using measurements of the transit of Venus in 1769.

Biography from Wikipedia, CC BY-SA 4.0. Portrait: via Wikipedia (see source).

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M. de (Bernard Le Bovier) Fontenelle · Joseph Jérôme Le Français de Lalande +1