Winchell, Alexander, 1824-1891 · Chicago, S.C. Griggs and company · leaf 137
equator. The circumferenceABC is, therefore, the equator, and it may be conceivedas represented by a series of particles linearly arranged.Let one of these particles be at a, then a O, drawn fromit to the centre of the circle, is its radius vector. If, inthe progress of rotation, the particle a is… … Fgi. 26. The Law of Equal Areas, same molecule ar-rives in the sameangular position asbefore, it is not at«, but at a . Itsradius vector is nowO a, a certainamount shorter thanbefore, and if itsweeps forward withthe same velocity asbefore, it will notsweep over the samearea in the sametime as…
Nebular hypothesis · Cosmogony
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