Astronomy for amateurs . 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 the chart in any direction, and looking at itfrom north, south, east, or west, we find all the prin-cipal stars. The first map (Fig. 13) repre


Astronomy for amateurs . 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 the chart in any direction, and looking at itfrom north, south, east, or west, we find all the prin-cipal stars. The first map (Fig. 13) represents the skyin winter (January) at 8 p. m.; the second, in spring(April) at 9 p. m.; the third, in summer (July) at thesame hour; the fourth, the sky in autumn (October)at the same time. And so, at little cost, we have made one of the grand-est and most beautiful journeys conceivable. We nowhave a new country, or, better, have learned to see andknow our own country, for since the Earth is a planetwe must all be citizens of the Heavens before we canbelong to such or such a nation of our lilliputian world. We must now study this sublime spectacle of theHeavens in detail. 55 CHAPTER III THE STARS, SUNS OF THE INFINITE A Journey through Space We have seen fro


Size: 1448px × 1726px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectastronomy, bookyear19