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Astronomy (1878)

Ball, R[obert] S[tawell], Sir, 1840- [from old catalog] · New York, H. Holt and company · leaf 32

An illustration from Astronomy, 1878, leaf 32
adapted to the equatorial,which turns the polar axis round with a perfectlyequable motion, and as the star is then seen to remainconstantly in the field of the telescope, it follows thatthe star moves with uniformity in its apparent path. Suppose now the clock be adjusted to move thepolar axis of… … 14 Astronomy. From this, the very important result follows that thetime occupied in the apparent diurnal motion is thesame for every star. We may summarise the results at which we havearrived in the following way :— (i) All the stars appear to move in circles round apoint of the heavens called the…

Astronomy

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