Flammarion, Camille, 1842-1925, Welby, Frances A. (Frances Alice) tr · New York, D. Appleton and company · leaf 73
In order to complete the preceding descriptions, wesubjoin four charts representing the aspect of the starry 53 ASTRONOMY FOR AMATEURS heavens during the evenings of winter, spring, summer,and autumn. To make use of these, we must suppose … them to be placed above our heads, the center markingthe zenith, and the sky descending all round to the hori- 54 THE CONSTELLATIONS zon. The horizon, therefore, bounds these panoramas.Turning the chart in any direction, and looking at itfrom north, south, east, or west, we find all the prin-cipal…
Astronomy
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