Herschel, John F. W. (John Frederick William), Sir, 1792-1871 · London : Longman, Rees Orme · leaf 57
OMY. OHAP. I. interval between any two of them seen over head wouldbe much greater than when seen near the horizon, andthe constellations, instead of preserving the same appear-ances and dimensions during their whole diurnal course,would appear to enlarge as they rise higher in the sky,as we see a… … of the same stars, as they would, if near the earth, be seenfrom a spectator S, under the visual angles a S b3 A SB.No such change of apparent dimension, however, is ob«served. The nicest measurements of the apparent angulardistance of any two stars inter se, taken in any parts oftheir diurnal…
Astronomy
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