Elements of astronomy: accompanied with numerous illustrations, a colored representation of the solar, stellar, and nebular spectra, and celestial charts of the northern and the southern hemisphere (1875)
Lockyer, Norman, Sir, 1836-1920 · New York, D. Appleton and company · leaf 89
nsider, as a specimen of the planets? 160. 82 THE EARTH. 160. Shape of the Earth.—In the first place, tne Earthis round. Had we no proof, we might have guessed this,because both Sun and Moon, and the planets observablein our telescopes, are round. But we have proof. TheMoon, when eclipsed, enters… … Fig. 33.—Proof of the Curvature of the Earths Surface. parts of the masts disappear. So the sailor, when hesights land, first catches the tops of mountains, or otherhigh objects, before he sees the beach or port. If thesurface of the Earth were an extended plain, this would What is the shape of the…
Astronomy
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