Abstract
THE National Geographic Magazine of January contains a graphic account together with many interesting photographs of the stratosphere flight of November 11, 1935, of Explorer II piloted by Capts. A. W. Stevens and O. A. Anderson. The height achieved was 72,395 ft., corresponding to a pressure of 29-5 mm. The duration of the flight was 8 hr. 13 min., commencing at 7.01 a.m. Mountain Standard Time from Stratobowl near Rapid City in South Dakota and finishing at 3.14 p.m. 12 miles south of White Lake. The flight was completely successful in all its objectives, and we are promised in a future issue of the magazine a detailed account of the scientific results obtained. Capt. Stevens makes mention of practically all the instruments that were referred to in the previous account given of the balloon in NATURE of June 22, 1935; but omits any reference to the Wilson expansion chamber. We hope that this omission is purely accidental, because it is felt that so much could be learned of cosmic rays from observation of tracks made at these high altitudes.
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U.S. Stratosphere Balloon Explorer II. Nature 137, 142 (1936). https://doi.org/10.1038/137142b0
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DOI: https://doi.org/10.1038/137142b0