Sharpless, Isaac, 1848-1920, Philips, G. M. (George Morris), 1851-1920, joint author · Philadelphia, J.B. Lippincott company · leaf 30
will cut the celestialsphere at a point, P/, very nearthe pole-star. Let A be the posi-tion of the observer on the earth.Then the arc EA, or the angleEOA, is the latitude of the placeof the observer, and BOP is theelevation of the pole of the heavens above the horizon. We wish toprove that EOA =… … 26 - INTRODUCTION. tinually skirt around the horizon; none will ever rise,and none set. The same changes would be noticed if the observermoved southward from the equator, except that thereis no star to mark the position of the south pole. Usefulness of Astronomy. 21. Astronomy, besides being a very…
Astronomy
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