Herschel, John F. W. (John Frederick William), Sir, 1792-1871 · London : Longman, Rees Orme · leaf 192
iameters. It appears, therefore,that the greatest, the mean, and the least distances ofthe sun from us are in the respective proportions of thenumbers 1-01679, 1*00000, and 0-98321; and that itsapparent angular velocity diminishes as the distance in-creases, and vice versa, (292.) It follows from… … ing to 0*01679 of the mean distance, which may beregarded as our unit of measure in this enquiry. Butbesides this, the form of the orbit is not circular, but * H?uo;t the sun, and ^t^/v, to measure. 1S6 A TREATISE ON ASTRONOMY. CHAP. V. elliptic. If from any point O, taken to represent theearth, we…
Astronomy
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