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Show EGLIPSEV7ILL GIVE TEST OR 1 EINSTEin IDEA ; . Astronomer Prepare to ''r VUit Lower California to Obaerro Effect of Grar-ity Grar-ity on Light .', BEftKKLST. CU, Bept. t-T-. ara expeditions of aeti uiiianei s will -' . test the Blneteln theory during the ' ! I' eeBpse of the sua sn W" i" aesardlnf t Preeldent W. W. Campbell of the University '""- - torn la km. Majiy students, Presl-" Presl-" " 4nt Campbell said, eonelder raplfl- '. I tion and confirmation highly d-1 d-1 . . glrable. Astronsmsrs wrte. Inetrumsnta and camp equipment are now en their war from Uck observatory. , , Ml Hamilton. California, to lwt . California, to oboanro tho aolar eclipse. Professor William H. ' Wright of Uelt la la chart of th ' " expedition. Th party la beaded for ' ! Enoenada. a Lowar California eea-'I eea-'I port about aeventy-flve B1M . soetheast of Man Diego. - r - Tn trntverstty of California wrn have fallow observer la tho path of tha acltpa. From Flagstaff. i . Aria, tho lowelt obssi atory will avail an expedition under IX root or V. at Sllpher. which will station tt-' tt-' ' hV within a few mlla of th Unl- ? verelty f California party, which ,. ' ta officially known aa th Crocker . expedition. Tha Yerkes observatory . . f the ITnlvereltv of Chicago, tho , Washburn observatory of th t'nl- ' raralty of Wlaeonaln. aad th Me ; Cormtok obaarvatory of tha Unl-. Unl-. varatty of V train I . will aUbllaa thalr atatlona en tha laland of Cata-llna. Cata-llna. naar th port of Avalon. Tha Haunt Wllaen eboarratery will . Kara tt ehtof obMnrlna ataHoWnaar Point Lena, Ban Dlaao, with . amallar dataehmanu at two or thra plaeaa In th tolnlty. Tb Bproul obaarratory of warthmore ooll. ' Ponnaylvanla. will watch tha aelipaa at Cuancam In Cantral Maxleo. TO HOLD CONVeNTION. ' . Baeaoa of th total acUpaa at th an. tha Amarioan Aatronomcal ao cMty, th mambarablp of which ln cladaa practically - all American aatronomora, will hold Ha annual anaatlnv In Paaadena and Lea An-, An-, galaa on tMptambor IT. II and I. In apaaklnc of tha arrancamanta mada by tha obaarrara. Praaldant - Campball. who la director of , ta . - Uck abaerratory, aayai I "Tha aua will baeom totally ob-acarad ob-acarad by tha moon on PJaptambar 1 at about 1 p. m. Totality on tha ' coatral Una of th ahadow will hut 9 mlnutaa and W aoeonda. ' At Ban J . Dttre and Catalan tho oollpa will ba ahortar, laatlnc I mlnutaa. mora . v oj- laaa. "A atralfht Una on tho map of California throura Santa Barbara " and Ocaaaalda will dafln th north-. north-. eaat d( of tha ahadow path. Too farthar to tho nrtbaat of thla It a . aa obeai lai aland a th laraar will b tha part of th oua I aft uneo-r-rad by th moon: In othar worda ba will viaw a partial aollpaa. th - - uneovared portion of th tun balnc - to Mm a thin craacont In ha rl- ' clnlty of Baa Pranetaea tho moon at maximum acllpaa will corar - . about M par eaat of th aua' dlak; - at Loa Anaalaa, about par eant. It abould bo roallaad that a partial -- arllpa poaocaaa ry llttl Intaraat. while a total osllpoe la one of nature' na-ture' moat Intaraatlns phenomena. AUTHOR'S TEST TO APPLY. "A total aolar ectlpee proTtdea opportunity op-portunity to study tboaa parts of the sun which cannot bo eoan at other timea. Tha solar appendas e known as th aun's corona, eenelet-' eenelet-' Inff of brilliant etreamera eztendlnf outward from the aua In all direction direc-tion a, at th ub)eet of special In-taraat. In-taraat. Thar la thua the opportunity opportuni-ty to apply on of th teste for th Em atom theory, aa outlined by Kiaataia himself. If th theory la correct, then the mae of the stars S photographed ta the darkened eky ourroundlnn; the sun and tha corona ahould appear on the photographic - - piatae to be very slightly dieplseed from their normal poettloaa by rlr-. rlr-. .tue of the sun's gravitational lnflu-onoe lnflu-onoe upon tho stellar raye of light whoa they pea doss to ths oua on their way down to the ecllpee ln-etrumenta, ln-etrumenta, and also by tha way of the effeet of tho general eurvtture at epaoe la tb vicinity o( th aun. "Beveral of th expedltlone. aot- ably those from Mt. Wllaoa and I from Bwarthmor eolleae. will re-1 peat the obeervatlona for this pur- 1 pose made by tb Lick observatory , at the ecllpee o( till and lilt, and ' - by the British ebaervers In 111. - Th Ura observatory Is net placing the Klnsteln theory problem en Its program this avmta. Ths consequence, conse-quence, however, of the Kneteln theory, ar of such extreme Importance Import-ance la ths fundamental phvetcal setenees that many atudenta of the subject eonetder repetition aad ooa . flrmatioB highly desirable.- |