Particle Accretion Rates: Variation with Latitude

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Science  28 Aug 1964:
Vol. 145, Issue 3635, pp. 924-926
DOI: 10.1126/science.145.3635.924-a


Reported accretion rates for cosmic spherules ranging in diameter from 1 to 400 µ appear to increase with increasing latitude. The apparent variation is most closely related to geomagnetic latitude. Preliminary culations suggest that electromagnetic interactions could cause only charged particles less than about 10-2 µ in diameter to impinge preferentially at high latitudes