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The Cloud: Difference between revisions
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[[Image:Cloud-Large.jpg|250px|right|thumb|Page 112 of the May 1963 edition of Life Magazine]] | [[Image:Cloud-Large.jpg|250px|right|thumb|Page 112 of the May 1963 edition of Life Magazine]] | ||
At around sunset on February 28, 1963, a cloud appeared in the vicinity of Flagstaff, AZ and remained sunlit for 28 minutes after sunset. It was highlighted in the [[Life Magazine May1963 (Page 112)|May 1963 edition of Life Magazine]]. In addition to Life Magazine, various articles written appeared in | At around sunset on February 28, 1963, a cloud appeared in the vicinity of Flagstaff, AZ and remained sunlit for 28 minutes after sunset. It was highlighted in the [[Life Magazine May1963 (Page 112)|May 1963 edition of Life Magazine]]. In addition to Life Magazine, various articles written appeared in Science Magazine (April 19, 1963), an independent report issued May 31, 1963], and in Weatherwise Magazine (June 1963)]. | ||
The cloud was very unusual and puzzled scientists at the time, who could not find a conclusive explanation for the cloud. The height of the cloud was initially estimated by James E. McDonald from the Institute of Atmospheric Physics at the University of Arizona, Tucson, as being approximately 35 kilometers but was later revised by him to be at approximately 43 kilometers (141,000 feet). | The cloud was very unusual and puzzled scientists at the time, who could not find a conclusive explanation for the cloud. The height of the cloud was initially estimated by James E. McDonald from the Institute of Atmospheric Physics at the University of Arizona, Tucson, as being approximately 35 kilometers but was later revised by him to be at approximately 43 kilometers (141,000 feet). | ||