Letter | Published:

Longitude Effect and the Asymmetry of Cosmic Radiation



IN a recent letter, Dr. M. S. Vallarta1 has emphasized the discrepancy which arises from the comparison of the variation of intensity of the cosmic rays along the magnetic equator (longitude effect) and the position of the magnetic centre of the earth as determined from magnetic observations. According to Hoerlin, the longitude of the magnetic centre as determined by cosmic rays should be 100° E. instead of 160° E. as found directly.

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