Berry, Arthur,b. 1862 · London, J. Murray · leaf 165
izes of the sun and moon, and socheck the variations in their distances. But any variationin the distance of the earth from the sun would affect notmerely the distance, but also the direction in which a planetwould be seen; in the figure, for example, when the planetis at P and the sun at s, the… … E E Fig. 49.—The alteration in a planets apparent position due to analteration in the earths distance from the sun. they necessarily involved incorrect values of the distancesbetween the sun and earth, gave rise to correspondingerrors in the observed places of the planets. The obser-vations which…
Astronomy
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