Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 112
is no moon. The approximate numberof stars on some of these plates has been deter-mined, the number varying from 1000 to 10,000stars per square degree. On a single plate 400,-000 stars have been photographed. The total number of stars recorded in this splendid setproljably approaches one hundred… … VIEW SHOWING HAFrom a photograph tak LLEY S COMET AS IT APPEARED IN MAY, I910.en at the Harvard College Observatory, Arequipa, Peru. the most industrious astronomer busy all hislifetime. Arequipa is a city of thirty thousand inhabi-tants. It lies on the western side of the Cor-dilleras. To one…
Children's literature
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