Curiosities of the sky, a popular presentation of the great riddles and mysteries of astronomy (1909)
Serviss, Garrett Putman, 1851-1929 · New York, London, Harper & brothers · leaf 253
e crater-rings, Longomontanus and WilhelmL,the former being the larger. Between them are tobe seen the ruins of two or three more ancient craterswhich, together with portions of the walls of WilhelmI. and Longomontanus, have been honeycombedwith smaller craters. The vast crateriform depressionabove… … LUNAR CRATER THEOPHILUS AND SURROUNDING REGION THE WRECKING OF THE MOON surface of the moon outside the ring. The monstrousshadow-filled cavity above Clavius toward the rightis Blancanus, whose aspect here gives a good idea ofthe appearance of these chasms when only their rimsare in the sunlight.…
Astronomy
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