Astronomy and the Bible;

(Ann) #1
DIFFERENCEINGLORY 195

Butlightrevealsmorewonderfullystilladifference
ofonestarfromanother;andthis differenceofone
starfromanother,remember,isrevealedbythediffer-
enceinthelighttheyemit. Lightissupposedtobe
undulations intheether. Theseundulationsarevery
minuteandofwonderfulvelocity. Letarayoflight,
enteringadarkroom,passthroughaglassprism. "It
isinstantlyturnedoutofitscourse,somepartsmore
andsomeless,accordingtothenumberofvibrations,
andappears assevencolors indifferentparts ofthe
screen."
"Noneof these inany sense are color, butaffect
the eye differently, and we call these different ef-
fects color. They are simply various velocities of
vibration. An object likeone kind ofstripe inour
flag,whichabsorbsallkindsofvibrationsexceptthose
between 396 and 470,ocx),ooo,cx)0,ooo, and reflects
those, appearsredtous. Thefieldforthestarsab-
sorbsanddestroysallbutthosevibrationsnumbering
about653,000,000,000,000ofvibrationpersecond. A
colorisaconstantcreation. Lightmakesmomentary
colorintheflag."



H.W.Warren.
Butletusexaminethisspectrum ofvariouscolors
ratherthanthetheorywhichmenadvancetoaccount
forit. Ifweexaminethisbandofcolorsspreadout
fromthewhiterayofsunlight,wedonotfindeach
colorsimple. Redisnotsimplyred,neitherisyellow
simply yellow, etc., butthere are all alongthrough
thespectrumavastnumberoffinemicroscopiclines
ofvariouslengths. Theyareparallel,insomeplaces
neartogether,inotherplaces farapart,butalwaysof
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