Bessel

[bes-uh l]
|

noun

Frie·drich Wil·helm [free-drik wil-helm; German free-drikh vil-helm] /ˈfri drɪk ˈwɪl hɛlm; German ˈfri drɪx ˈvɪl hɛlm/, 1784–1846, German astronomer.

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Bessel

noun

Friedrich Wilhelm (ˈfriːdrɪç ˈvɪlhɛlm). 1784–1846, German astronomer and mathematician. He made the first authenticated measurement of a star's distance (1841) and systematized a series of mathematical functions used in physics
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