Besselian elements

Bes·​sel·​ian elements | \ bə-ˈsel-yən-\

Definition of Besselian elements

: mathematical-astronomical data employed by Bessel for facilitating precise prediction of a solar eclipse at any place on the earth

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History and Etymology for Besselian elements

F. W. Bessel + English -ian

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to settle judicially or to act as judge

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