earths axis to the planeof its orbit, produces the change of the seasons. If the axis were perpendicular to the plane of its orbit, The causethere would be no change of seasons, and the sun would then ° tnec ans8 ° of seasons. be all the while in the celestial equator. This will be understood by… … In all representations of JVS, one half of it is supposed tobe above the paper, the other half below it. NS is always parallel to itself; that is, it is always in thesame position* — always at the same inclination to the plane * Except minute variations, which it would be improper to notice inthis…
Astronomy
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