New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1907-11-17
BRASHEAR on DISPLAY
y4dJQnce IN Instruments for Study
of Sun Phenomena.
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F,=.+sh,-K Nov. ls-Professor John \ Brashear
OF Allegheny Observatory. talked to-day regarding
Tire remarkable display q fame shooting from the
sun. observed by Professor Aubau. director o.
Radcliffe Observatory. al oxford, England. Re
gardInz the display Professor Brashear said.
The so,a- outburst o. prominence noted b. the
director Of Radcliffe Observatory vas doubt
SEN % cr 49, With The .p55s mar were e. sr
day on the extreme western edge Of our luTninary
facUlaz following the sun spots, and II is wei
knoa-l that where these are IN abundance there
sure 70 he upTushes q highly heated, gaseous
matter called prominences.
vision DUNG total ecpse Of The sun II Trey are
EeTy large O. extend 70 oons-ieraole height but
'score-ec almost Simultaneously that these prom
ineuCes could De seen 81 any time Il On the suns
limb with tie wide open slit Of powerful spec
rrosccpe. ana i Nss doubt with such an instrl-
ment that the large prominence was seen by the
director % Escc!ifte ooseryatoT.' These pEoI1---
ences Otter form with great Eapidity IN re IN
bursts which seem TO D. largely made up OF ny
o b5 When ;f tsey meet The intense ooid Of outer
snaoe become condensed and fall hack into the sun
= TIE sun This s. called the spect-oheIiograph.
snd used 70 PhotograPh the solar proEElineroes by
negie Solar Observatory At Mount Wilson. Cal.for
ia >3' Gn.y ea4 ph9.og5sPis Q. ne pIoI P
constituent element can be selected out on the
- Some OF the most wonderful photographs OF
calcium Ees n them Moreover. prorlinenCes can
o5 Nth seen sp e5SRs Ge but f9s o[ 3 .:
Us record Of much that IS going on there These
sesrttr1l solar aPpendeges they can rightly
been designated b. Professor Young : cloud
forms. diTused. HlsnsHtary stemmed, plurned. cy
cloned and horned, ana y NAV Be said that few
rnen n the earlier DAYS Of sasctroscopic studies
~ solar pTo-ninences have done more than our
American astronomer Professor Charles 4 Young
Yo,irg records prominence that attained a height
CT nearly rEo hundred thousand miles IN half an
hour which is rot far from The velocity attained
Radcliffe Observatory. Sometimes however. the
velocity has reached twenty thousand miles IN one
y VIII be interesting 20 tire astronomer 70 watch
sor prolntneaces IN connection With the grest cy-
meridian OF the SUI. Observations have been made
he-e for several days, and although the sky has
been, as We ell know, fog laden. YET the definition
fEs been OF the most superb character the aTrno-
ephere being as steady as rock. 70 use this COM
mon phrase The delicate Elementary character ot
the nurbra has been seen win the r1ost minute &C.
tail and the branching bridges Of fame reaching
FcroEs the nuclei reminds OF the classic draw
ing made BY Langley q the great solar cyclone OF
Nsvsr before has a gTeat soiaE cyc,oas presented
Elementary structure % the p=nuubral fCtnges
beautiful IN the extreme
delicate n outline TO as far OF observers but in
diceting & solar storm &C which We norrals can
have no conception
The disturbance covered an area Of over two
hIou square miles. ard although only one OF the
nuclei was of great dimensions, the great number
space so large thai the disturbed area readily
seen n the evening By the uraided eye.
This great spot or solar disturbance Is eTidentIF
c-upies almost exactly the position OF thai spot
& was seen IN October -