New-York tribune., 1879-01-16

as orr sun. arc shown by their spectra TO
cI.m.ms than stars such as sirius, but no non
metallic elements; and the coolest s''rs rrsomnound
nf metallic with non.mctac elements and OF non
metallic elements. These factss apprhar sunno.cJ
that as the temperature increases the COMPOUNDS a
first broken up into their consutuen. dt.ennation
or decomposition into elements ot ower a"',o M ,h
weight MI Loekyer nsAt vs." snpposine
contains as an upurlty ana as Go r.
however If present an mpurity VIII neIty nu" ne n
lines according to o waerSas aS%s' If Constituent
OF it viii add ITS llnes aceoralnS IS u 70 ,s ser
cf liberty So mat as the temperature increases
The spectrum of A Will fade IL be compouid n'n'
w6erra. II viii not fade If BE- true element. More
"v'r VI he compoand body. the longest lines al one
temperature will not oe the longest NJ ~
paper chi, hy deals with discussion rom tns po'nt and :"
lth.um observed at various t'lnpelaautas h,nt ni
is to expected the hypothesis OF tie nonIeement
AIRY character OF the elements mas IcSm % % inn "a az dSe
place. Thus each Of TIE salts Oi calcium 81 iohG as INC
temperature is Delow certain point ,hd na9 9o,n a
Feature is raised the spectrum Of the salt grad
uaIiv dies ont and very fine lines Due to thc
metal appeal the blue and violet portions OF the spec
the blue Of great intensity The violet II ahd hcs a.
ucs are very Gick the line in the blue is Of less IN
irnsiy than either and much thinner than IN lhe arc
LASTLY Dr. Iul lCnss magnihCeut star photographs sh""
mat both The ii and lines present in the ep c un
of Aauip, the Latter being. however, ony a"out hhi,
L,ra and SIRIUS only th II line OF calcium Is present.
similar evidence mat these Chront INES NAV rep sent
Professor Youuc'S spc. troscropic observations "f
solar storms, he having seen the llhe
Tic X line ffly but the blue hne' which r.
The a-mportant line o the calcium at the arc ttnpca
;Irc was onlS injected la hr spectrum OF ir"
two sets OF lines occur ~ the region 'ti"'t u """
G which igy Characteristic of TINS luria oh cou
pairing pinot oglps OF tie collar spectrum aud OF the spark
taken wCeu poles 0 rnn the % NJ
trimrts is seen to be absolutely reversed; The lines
borIV visible IN the spark phuosra"n being among the
most prominent tGat ri thc solar pectriih, Nit tLt
Up,l. Wihch Is prominent IN tig -ldfn Iho'gi'.l, !"
rIir, scnIed by not hl!i - AcN ~ ie SOAR '''
/ truu. Professor Young has observed du NJ solar
storms two very fame lines IN In" IRON spectrum lI
one Of the lines OF the triplci was ohy IN
jsctcd twice. Tuc,c facts, Nj. l"cEN'r con- ma
a. once meet with Il simple eNp'aunuon II Il "e ld
miicd uiA the lines ale produced ny the vibration oi
scvrr.l distinct molecules The hthuw spectrum cN-
hihtS u series Of cnanEc, with ufc OF irileItiur
pec-"ly analogous 10 thoSt o's'iFtd III 'h' c'S' -
calcium. -
aGduces number of mast import 'ni "nd irtct's 10
fucs and srrcu!atious f. is pointed OGi hat III" IN ~
only seen IN aoor1J"iN cNP'l'L 'H'S a." u W.! -.
/ tcupcrUutc Is employed; an" thH i "'1 a.
eclipse Of l-7j, altnon- the othe: Itr'
Of yGrOscn photographed lhis I"e aNo' IS CO.
inc.ent win nc sironSe' me 81 'i'" l'h 80 ;'ie' e
corded by Thalcn. ana Hdl De- Pno'oSidpH'u ny E".' &
tizmg mdluW III ihc c-culr e, ""rt'is II! I nIliii
in which none Of the hyd.oscL lines are visible
BY employing very feeble spark ut very
green Is obtained without the bluc md red lines winch
are when a stronger spark Is Gsed, so 'H@t aei
ations undoubedy take piacT IN me 'eGtrH " q" , Sno
gen similar to those observed III 'i' 7e 90 o"'i, ,i
Ia concluding TINS portion ct ms nale9T W. nv
LocASer states aI hat tbc snhs,cpcc
giving the nun-fcNcr-od ne IN tho ,hr0inoSphrI "i'
mas been termed henum. and not previously IGchtled
with auy known matter, and also the taDst nco
giving the 1,i7i or coronal line. are really Other
gives the alone, the other more complex han That
which give. the ; line alone