OCR Text |
Show foot of air. which means a very exceptional ex-ceptional dryness The measurements make the Intensity Inten-sity of the little Aband of water apor In the spectrum of Mars two , and one-half times as great as In the Lunar spectrum taken under Identical Identi-cal conditions and great II one and one-half times as strong In the spectrum spec-trum of Mars as In. that of the moon WATER VAPOR IN SPECTRPOF MARS Flagstaff. Ariz., Sept. 2 More water wa-ter vapor in the atmosphere of Mars has been discovered by the astronomers astrono-mers at Lowell observatory. A spectrogram by SHpher of the observatory ob-servatory has been measured by Very with his new comparator und yields more striking proof of the presence ef both water vapor and of oxygen in the atmosphere of Marn than prev-I prev-I cum plates. SpeclfogToms of the moon and Mars were taken at equal altitudes and coincident times. The moon's humidity at the time of the observation wan only G2-100 ot a grain of water vapor in u cubic |