Proctor, Richard A. (Richard Anthony), 1837-1888 · New York, R. Worthington · leaf 155
s sections of the meteor rings be exaggerated or thereverse : since, on the one hand, if the cross sections arereally larger, the importance of the several meteor zones is 144 MYSTERIES OF TIME AND SPACE. enhanced, but the circumstance that any given meteor zoneis encountered by the earth is… … FlG. -Ideal view of the ecliptical cross sections ot about a fourth of the knownmeteor systems. able chance of encountering so many systems. As to theshape of the cross section, it matters little what opinion weform; only if the real cross section is circular, the crosssection on the ecliptic must…
Astronomy
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