.\>nc'i.\M.MY. 



Q is 





HM Mv TM efforts of several astronoaMOL 



Bale, of UM Kawwood Obanmi rj ' - sJ * 

 u> photograph the solar corona without mi 



ihu. far ...,. u. fail.irr. 

 AnVtbough thte ids* has not bean ent.M, 



abandoned, yet there is so little promiM of suo- 

 MM that ail attempt to perform th* diftVult 

 t*k by other mean* is bring made, ..-.. *;:,,; 



.i.i..~. ,. . i.i- problem H> 



i". ; ' ;.': 



I' k!. ' i 



ill V,!..:..; ' V.. 



II . I .L kT^Mll^^M 



Mb ih | :.. 



ue corona can be observed only wl 



to but a few minutes in a cen- 

 tering this fact, the importance of 



.... j * .'. . . f - , : .' 



Wonderful Solar I 1 - omlaenc**.- In th, 



.-.f a prominence obMnred 

 .n June lMH<r,. h,*e phenomena wa on a ecaie 



of magnitude and I 



with the -lit of the spectroscope tangential 

 the Son'* liml>. at position angle $48*. a brilliant 

 prominence was discovered resting upon the 

 Sun. hating a broad base and widened out at 



'/.. : i i- -. -,. . >-. ni rid .1 sta 



to 





I . 1 



kmoU 



A H 



,,, . : : ,: . * 



upon it wme W. Thatop 



quite regular, than bring no pike* nor aharp 



longuea of flamr. The height wa. 74' = 88JWO 



milea, At ^ 49 a omali I WA 



aren floating abora the main |>rtt<>n. The a*- 



/ . . 



99* it had raachad to the 

 of 380*=180.050 mile*, a 1- 



,1 one half Umea enwrap the hUrt 

 I* 7* the atceiulmi; *>lutnit waa reaolTnl int.. 

 ds, i In- ui>tK-r one at the enormous 

 eat! Bid* 1 



mioenoa of far greater magnitude than 

 that juit described, attaining to a greater height 

 than any ever observed, waa Man and manured 

 bv Father Fenye, of 



Hungary, on Dec. 84, 1894. The maximum vo- 

 f the upruah waa nearly 960 mllea per 

 Moond. and. though the prominence reached! to 

 us height of 11 i .::.' 7. i 

 iret wan at an eml in three hour*. 

 Th.- ..nw'in .f :i f.-r.-.- B MMfll BMl ft b 

 neat h the chromoaph. 



h, s,,,,. M M \\ 



and Qrnv. of the Daromona Obwrvatory.au a 

 result of 'experiment* on the tempera! un 

 carbons of the electric arc. find it necessary to 

 m:tk.- oomotton to th. bftfavto M m*\ 



Transit ir.-Tne transit of Her- 



curt across the disk of Oie Sun, on Nor. 10. 1894. 



throuu'h'-ut the We 





and tin western portion of the Ea*- 



aid where the sky ptanitted wasgener- 



tin. California, the phenomenon was ob- 



in its ontmMy. as also at the Uck Ob- 



Moratory. Mount H'amilton. California. The 



transit began about one minute later than the 



computed time, which delay was noted in Eng- 



atooaAdetotwbere. 

 |ejj :. i.a. m ..:. 



. .. , -. . . 



but a l*r 



of it* disk atveral tn 



not easfi bv th 



* ^* ' * * * * * 



This central sfark of light 



. ' ' :.-; - - . - -. 



g they had seen it, while its eiiatanoi aas 



Diametrr of Mrrrun. "i. V v. 10. 1894. 



K- the tr*iiit. Ir ll 



'-..- r . . - : 

 rv, ' : 



of the planet's disk while tn 



Ire a revision of UM 

 adopted by Leverrier in ! 

 Nautical Almanac.** 



become enualorial diameter t*41*. 

 and IMIUU- diametrr 6*1 78*. The weighted mean, 



.n the work of 19 differ*, 

 extending over a nariod of flfty-*ig 



Trvrrrier's value WM^? at the mean 

 distance of 1 1, rUnh from the Sun. Rroai Ust 

 mean of liamard's measures i. e^ from w<10' 

 the linear diameter of Mercury is t,781f mils* 



-The theory advo- 



,nt,^l l.t .Vhiairrlli. that the rotation of Mrr- 

 . .-, 



timi around the Son. dor. not meet with sweat 

 ance by astronomers, particularly by UMM vVo 

 have made special study of the planet. Tbe 

 generally received opinion to UurtHitoretaUon 



i jor planets, vtu. the Earth and Mar*. 

 and from the assumed period of Venus. 



3Ha^..f M.-n,,M. 1 i - 

 MtJI !.- I OB >! P V] - I M Mdtbtl ' 



, :,-'!. 



1 by M. Callaiulreau in - ComptM RawdM* 



l . 1894. Encke's comet has t*rtinalar 



interest not only on account of the -* -ift 



aj Mi par! . -.,..-. . 

 half I ; one apparition to tb* 



but aU. from the fat t that its motion to dis- 



turbed by Mercury. A dJscusssou of tbe 7 



ritions of tbe comet between tbe years 1871 and 



1891 has led M. Backlund to the oniioUsJm UMI 



ry has a much smallrr BUMS than baa 



to (tbe Son equaling 1) mass of 



ould be required to 



fetation of T< 



period of rotation of V 

 brrn made by a number of astronoc 

 them M. Cmmille Flammarion. tbe Kn-nch ^ 



Uooomer. w hose study ISM extruded through a 



;.-:'..-..-. ... r ; . ./.. :.'.!, 



ref utation oTtbe hypothesis that tbto planet, like 

 our Moon. complHeVa rotation on beTasto si- 

 slTwitblssi 





tn 2-H l*. Ute 

 rotanrpniod not giratly different from twenty- 



x^,'^. -I M.,i. 



Mars which fully wnflrm UMM made by htm 



.,-:. ..-- .. i: ,.- : .. .- ' 



