Collins, A. Frederick (Archie Frederick), 1869- · New York, London, D. Appleton and company · leaf 71
Fig. 53.—Mars as Seenthrough a telescope. 50 THE BOOK OF THE STARS take him, for he will shine ruddy and bright with never a merrytwinkle. Mars is 141 millions of miles from the sun. His diameter is 4,200 miles. His day is 24% of our hours long. His year is 687 of our days long. Seeing Venus.—Venus…
Astronomy · Stars
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