Word: vapor
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...scientists, a twelve-inch telescope and some complex infra-red instruments into a NASA Convair 990 jet last month and flew along a computer-determined course between Montreal and Lake Superior. At its 37,000-foot altitude, the plane was above 99.5% of the earth's atmospheric water vapor, which ordinarily confuses ground-based astronomers attempting to determine the amount of water on other planets...
...patterns by scientists at Block Associates in Cambridge, Mass., produced two of the clearest spectrograms ever obtained of Venus at high altitude. Although the spectrograms conclusively proved that there were no ice crystals in the Venusian atmosphere, they did reveal what appeared to be a significant trace of water vapor. But Kuiper and his associates were not deceived...
Desolate Planet. To cancel out the effects of any water vapor in the portion of the earth's atmosphere still above them, the airborne astronomers had also taken about 1,000 interferograms of the moon, which was close to Venus in the sky during the flight. Although the moon is known to be dry, the lunar spectrograms produced by the Block computers also showed evidence of a trace of water vapor. The vapor, the scientists knew, had been detected not on the moon but in the earth's atmosphere. Thus, by eliminating the same proportion of terrestrial vapor...
...based on a phenomenon often demonstrated in high school chemistry classes: if open bottles of ammonia and hydrochloric acid are placed close together, a white cloud of ammonium chloride particles forms above them. These particles serve as nuclei for the condensation of the air's water vapor into tiny, foglike droplets...
...Louis Auchincloss' Tales of Manhattan look like so much leftover Alfons Mucha. From coast to coast, be-ins, folk-rock festivals, art galleries and department-store sales are now advertised in posters and layouts done in a style that is beginning to be called Nouveau Frisco. Unmistakably a vapor from the seething psychedelic dreamland of The Haight-Ashbury district (TIME, March 17), Nouveau Frisco currently has as its foremost practitioner Robert Wesley Wilson...