, because themountains then cast shadows, while there are no shadows atall on the full moan. From a study of these shadows. Zoll-Fig. 4. :.XSYY*l ■YYfY^■:-0Y ■■m^>YY< .;>>;.■• .rui ■ ,.111.* ■ ,.ivV-V,•V>..- ■•• gff .....:• ■•;;■;•■ Fig. 3—SURFACE OF THE MOON.again, during the long… … ner has found that the average slope of the hills and moun-tains on the moon must be about 52°, without reference toih Mr hight. Z6° lner has ascertalned.by experiment and calculation.thatthe moon rsflects only about \ of the light it receives, inother words that its reflective capacity is the same…
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