A beginner's star-book; an easy guide to the stars and to the astronomical uses of the opera-glass, the field-glass and the telescope (1912)
Murphy, Edgar Gardner, 1869-1913 · New York, London, G.P. Putnam's Sons · leaf 87
(No. 8) are also ring-plains, the former 50 milesin diameter, the latter a little larger—though showing smaller in our photograph. InFurnerius, No. 9, we have another walled plain almost as large as Langrenus, though mereirregular in form. Returning to the region of the Sea of Conflicts (A) we note… … KEY-MAP TO THE MOON, AT TWO DAYS ^ee accompanying text, -with illustration opposite Zhc flDoon in tbe G:elc0cope 73 its huge walls rise from 8000 to 10,000 feet above the floor. Just below, No. 11, is Burck-hardt, 35 miles in diameter, chiefly characterized by the great relative height of its…
Astronomy
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