KnowraFriedrich Wilhelm BesselLinked fromLinked fromThe 4 pages that link to Friedrich Wilhelm Bessel, each with the reason it gives.All 4Related 4ParsecRelated: His measurement demonstrated the geometric method later expressed through parsecs.Alpha CentauriRelated: His work established the method used to measure nearby stars such as Alpha Centauri.Johann Gottfried GalleRelated: Bessel’s precision-centered astronomy formed part of the German tradition Galle worked within.Harnack's principleRelated: His era's analysis helped shape the setting in which harmonic-function theory developed.