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Show ii'0?.li 0!i HOT THAT RADIATION Of SUX VARIES If Proven, AV Ul Mark Great1 Advance in Weather Science. V. WAHHIXOTOK, March se.Marted adV vafKes la Iks artsaea af agrtctmltora aad la krfvsT dtataara weather farscasU will t9 made, should aa iareet.stoa now belna conducted by tha Rmiihaonlan Institution In-stitution prove that the radiation of th sun varies, aroductaa; a aoriuspoadtng change In the earth's temperature. Dr. CO. Abbot, director of th asirophystcsj obetM-ratory of the lnet)Uiiten, conHieNily prvdlcta that the sun reflation tbeory will be provea. which woutd ennstltut a great astronomical achievement. Testa are In progr. at trve eheerrs tnry In this dtv. at Mmint Whitney snd at Mount Wlleon, and Ir. Abbot haa ee-taMtahed ee-taMtahed a station In the doudleas re-Kkm re-Kkm nf southern Meilco, for whir h congress con-gress appropriated IMufl. Observations will be made both In Mexico and at Mount Wilaon, and If the two set nf measurentents agree the conclusion will be deenenil proven. Th expedition to Mexico will be made next July. Or. Abbot found that th obaervatlon at Mount Whitney check and substantiate substan-tiate completely Lna work don at Mouat Wltaon. "Therefor, declare Dr. Abbot, ,har Ing en t h la bed a standard scale of measurement, mea-surement, with the same results at Washington. Wash-ington. Mount Wilson and Mount Whitney, Whit-ney, w are now able ta state the value of the solar constant of radiation. This value la of aa Import an oe equal ta that of th dlstaooa of th sua la astronomical astronom-ical work. . . "Now. hyaltlng stations so fsr apart that no local condition in th atmosphere can affect them both, we may actually! prove whether or aot these v a Hat lone are In th sun or era something that w have not eliminated In th atmoa-phera. atmoa-phera. If we find them In tha sun, w shall hav mad diaoavary of tha first rank. |