Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
ntre of motion in thesame time that the planet revolves on its axis. As the axis of the planet, like that of all the other planets, joresere?e.9its parallelism in all parts of its orbit, the rings, as seen from the earth,will A^ary in appearance, as they are viewed in different parts of theplanets… … 438 ASTRONOMY. Fig. 10. represented in Fig. 9; but they are never seen, from the earth, perpendicularly, asshown in Fig. 10. Were either pole of theplanet exactly toward the earth, they would^^^_ _ then present a perpendicular view.[((fflSi)]) ^■^liB ,Ys the planet revolves around the sun once in…
Physics · Astronomy
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