An atlas of astronomy; a series of seventy-two plates, with introduction and index (1892)
Ball, Robert S. (Robert Stawell), Sir, 1840-1913 · New York, D. Appleton and company · leaf 39
is 9 days old. The observer then refers to Plate33. On the terminator, a little below the middle, he notes a fine crater, and desires to learnits name. The Index outline assigns the Number 350, and the list on the margin shows thatthis feature is named ■ Copernicus. The observer will be able to… … INTRODUCTION. 25 in the Second Quadrant or on Plate 24, where the great crater will be found again as No. 380,a conspicuous object at 20° East longitude, and 10° North latitude. Along the top of Plate24 are shown the positions of the terminators at corresponding ages of the Moon. It will benoted…
Stars · Astronomy
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