- 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.
Examples from the Web for bessel
Historical Examples of bessel
It was the first star whose distance was measured (by Bessel in 1838).A Field Book of the Stars
William Tyler Olcott
Stellar parallax was first securely detected in 1838, by Bessel, for 61 Cygni.
Bessel was a little the earliest, and by far the most accurate.
Do you know that all the furniture is broken in Mr. Bessel's room?
He was at a loss to account for Mr. Bessel's conduct on any sane hypothesis.
- 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