Lockyer, Norman, Sir, 1836-1920 · London : Macmillan and Co. · leaf 297
sphere appears different toobservers on different points of the Earths surface. This 262 ASTRONOMY. effect will be readily understood by changing our positionwith regard to any near object, and observing it projectedon different backgrounds in the landscape; the nearer weare to the object the more… … Fi^. 56.—Parallax of a heavenly body. This is called applying the correction for parallax.Parallax is the angle undei which a line drawn from theobserver to the centre of the Earth would appear at thebody of which observations are being made. When thebody is in the zenith of an observer, therefore,…
Astronomy · Solar system
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