Elements of astronomy: accompanied with numerous illustrations, a colored representation of the solar, stellar, and nebular spectra, and celestial charts of the northern and the southern hemisphere (1875)
Lockyer, Norman, Sir, 1836-1920 · New York, D. Appleton and company · leaf 220
Sun; andwhile the plane is sweepingacross the Earths orbit, theEarth, in consequence of itsrapid motion, may pass twoor three times through theplane of the ring.Hence the ring-system about this time may be invisi-ble, from three causes: (1) Its plane may pass through the Sun, and its extremely thin… … years s, and in Fig. 85.—Saturn with the North SurfaceKings presented to the Earth. the mid-inter-val the surface of the rings—sometimes the northern one,at others the southern—is presented to the Earth in thegreatest angle. In Fig. 63, page 148, Saturn was shown with thesouth surface of its…
Astronomy
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