Abstract
CLIMBING, several summers ago, with three friends among the Coolin Hills in Skye, I was fortunate enough to witness phenomena similar to those described by Mr. Fleming in last week's NATURE (p. 310). Our shadows were apparently thrown against the precipitous side of a deep corry, distant 200 feet or perhaps more. They vanished and reappeared as thin mists passed through the corry, the sun shining continuously. We could not see each other's shadows unless close. The distance apart at which they became visible I do not clearly remember, but know it was approximately as one of my friends, Mr. W. A. Brown, writes:—“So long as we kept a few yards apart each could only see his own shadow, but when two were within arms' length a double shadow was visible to each, and on getting still nearer the shadows merged into each other.” My estimate of the angle subtended by the diameter of the rainbow is 15°, that of my friend 10°. He adds, however, “I may be very far out in this.”
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WHITE, J. Circular Rainbow seen from a Hill-top. Nature 29, 357 (1884). https://doi.org/10.1038/029357e0
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DOI: https://doi.org/10.1038/029357e0
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