Serviss, Garrett Putman, 1851- [from old catalog] · New York, London, D. Appleton and company · leaf 137
ofRichard Adams Locke. With an opera-glass you can readi-ly recognize Aristarchus as a bright point at full moon.With a field-glass it is better seen, and some of the short,light rays surrounding it are perceived, while, when the sunis rising upon it, about four days after first quarter, its… … earth of that portion of the moons surface which is nottouched directly by sunlight at new and old moon. This phenomenon isshown in the ac-companying illus-tration. JNot onlycan the outlines ofthe dark part ofthe moon be seenunder such circum-stances, but eventhe distinction incolor between…
Astronomy
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