Electro astronomical atlas ... with explanatory notes, questions and answers (1874)
Spoor, J. W. (Joseph W.) · Albany, N.Y., Weed, Parsons and Company · leaf 105
it ? A. It is forty-nine million miles. Q. What is the difference between its Equato-rial and Polar diameters ? A. The Equatorial is six thousand and sevenhundred miles longer than its Polar. Q. What proportion of solar light does thisplanet receive compared with that of the Earth ? A. It is about… … WEED.PARSONS ft C0.,AIBANY,N.Y. A.TOUE, PHOTO-LITH. SATU RIM. Front fffrservations ofHond, StriweandWarren JPeZaMwM&./8J2,andMar./8$6. ELECTRO-ASTRONOMICAL ATLAS. 61 LESSON XLI. Analysis.— Rings of Saturn — Situation of them — Revolution — Detached — How known to he Separate — Distance from…
Astronomy
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