- 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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Examples from the Web for bessel
It was the first star whose distance was measured (by Bessel in 1838).A Field Book of the Stars
William Tyler Olcott
Bessel was a little the earliest, and by far the most accurate.
Stellar parallax was first securely detected in 1838, by Bessel, for 61 Cygni.
But the police authorities had not laid Mr. Bessel by the heels.
At first Mr. Bessel's mental state was an unemotional wonder.
- 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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