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A primary astronomy .. (1851)

Mattison, Hiram, 1811-1868 · New York, Huntington and Savage, Mason and Law · leaf 79

An illustration from A primary astronomy .., 1851, leaf 79
the ecliptic at the Suns center, represent the plane of theorbits of several of the planets, and their inclination to the ecliptic. There are somany of them, and the inclination of several is so nearly alike, that it is impossible torepresent them all in the same figure. The orbits of Mars,… … 3. A drawing similar to the above may be found in Longs Astronomy, vol. i. p. 203 ;in Smiths Quarto, p. 40, and in several other modern compilations. It may help toform an idea of the inclination of the planetary orbits; but we must guard againstthe impression it may make that all the planetary…

Astronomy

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