Word: hazeless
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...energy radiation varies from day to day. The daily radiation output is usually measured with instruments called silver-disk pyrheliometers in which the sun's radiation is transformed into heat measurable in calories. A solar recording station should be high, dry, nearly dustless, nearly hazeless. The Smithsonian Institution has two solar outposts at Table Mountain in California and Mt. Montezuma in Chile. Last week the Smithsonian announced that it would start a new solar observatory atop Burro Mountain, an 8,000-ft. peak in southwestern New Mexico, with Observer Alfred F. Moore in charge. The annual rainfall...
...Sinai or, according to another tradition, Mount St. Catherine twelve miles to the south. St. Catherine is the higher. It is the highest (8,540 ft.) peak, the point nearest the Sun in the rocky Sinai Peninsula. For that reason-and because the atmosphere thereabouts is almost dustless, almost hazeless-rather than for holy associations, the Smithsonian Institution decided that the top of St. Catherine was the best accessible place in the entire Eastern Hemisphere for a solar observatory. Secretary Charles Greeley Abbot last week announced that building will start at once...
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