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Astronomy for amateurs (1904)

Flammarion, Camille, 1842-1925, Welby, Frances A. (Frances Alice) tr · New York, D. Appleton and company · leaf 134

An illustration from Astronomy for amateurs, 1904, leaf 134
the Sunbeing accomplished in about three months, he passesrapidly, in a month and a half, from one side to theother of the orb of day, and is alternately a morningand an evening star. The ancients originally regardedit as two separate planets; but with attentive obser- 114 THE PLANETS vation, they… … Co; days Fig. 32.—Orbits of the four Planets nearest to the Sun. Mercury courses round the Sun at a distance of57,000,000 kilometers (35,000,000 miles), and accom-plishes his revolution in 87 days, 23 hours, 15 minutes;t. e., 2 months, 27 days, 23 hours, or a little less thanthree of our months. If…

Astronomy

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