The elements of theoretical and descriptive astronomy, for the use of colleges and academies (1872)
White, Charles J. (Charles Joyce), 1839-1917 · Philadelphia, Claxton, Remsen & Haffelfinger · leaf 217
ys of meteors, when the earth is at thesepoints, similar to the August and the November shower. Unlessthe plane of the ring coincides with the plane of the ecliptic,there will be no showers at any other points of the earths orbit.If we imagine the ring to be broken, or to be of unequal * Phipsons… … Fig. 73. supposing the ring to have a period of about 33} years, we mayaccount for the extraordinary displays of meteors which happenin about that interval of time. The duration of a shower, and theknown velocity of the earth in its orbit, enable us to obtain anapproximate value of the breadth of…
Astronomy
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