Show EXPLAINED instructive information for students of astronomy Actor illiC loleta are r very distant or benr I 1 nor maita or ui aut i bulur or ww tho tari to out ho wo lunk liiK lan map of tho atara thal were cerula cloud oe which lio pavo alv on hr map J norman ond acho vork wui docio alio in of tb 10 did not n bodies ft 0 now vla LI ans convinced which we call alio way was y oda in from iho fkiara uc II 11 to bo what bo called tin oth creal essence ft ort of uro mint 0 hi bli in iho car alts a koiv slur ap ho supposed it to bo a con life of this lucil galileo n as ablo to shiow leiai the milky ethereal of ticho was only no duo to i i of lying in alio llio sumo visual it in composed can bo acan walh very small optical power ii was not 1111 1012 a few car after tho introduction of cho telescope tint fait iho arl real of fl body vanh wo now call a nebula the arst ril ion wo owa t simon blaud thai the bodies visible in tits exactly resembled the produced by attic flomo of n acea dioro that alio llio nebula iii orion waft discovered although now to tho ir acil eyo it is cicily 0 o thal it kalhor wonderful t nia n ia nol cica before in 1714 in Ko ganil lobo panl lococo bodic fi not until ano william that ibo moat were ciaglo first 10 construct ory large by means of objects which appear to tho ayo c excessively alto or objects to tho jakad boyc may bo brought lulo full visibility la abla way sir william con mcc of tho oc A truo nebulous fluid differing from atara atler not only sir but hla son ajr joan herschol hid ato cumulated abil stores ot lord roso took up iho tory dod a very anilli ciboro thon boti been by tho berchol ilia baa a eghi crasp mg pon er compared aith abo chief result of lord roca work to which wo need horo refer is iho idea thab in A groutt inan bodied which had been unused as this enormous of optical power that wo ocic only with very distant of mars lord rosso tt aa ablo to get tho in 0 o many bodies which had bruu as by sir william fand that gradually alio llio a come to bo bald that tho nebulous noburu if 0 o could acl op bear upon aar vay had boon by galileo this would mean that tho clui crE of alara io fiaui our with tho lord alicy iho ethereal ahm opinion in in the early days of in turned his mono of tha planetary ambula at fiat he thought thai gaino M rong in tho because bo could only a bright liuo of tho sort spectrum obtained from a star work on other showed him however that tho was doloff its lc cl best and thai iho iho anomaly was really thai tho nebula gave out monochromatic bihl of nil colors la proved in another planetary other observers havo anco shown la another hydrogen lino visible it became dr Huff pins duly to hod out iho origin of tho first ano observed and ho came to alio llio conclusion after considerable labor that this cionna ticey arnot exactly in iho position 0 tho chief line poca lu abo spectrum of and iho tupp calion was mady thol tecc were masses of nitrogen and badro pissos mixed or it not boino of nitrogen with hydro pou that result boado tho idea of lord roalo concerning iho possibility of tho rc of into untenable wo had to consider from that timo that iho light of tho nebula como from a pas or acro cassca of gas another explanation of uio origin of tho green line has already if wo baudy abo spectrum of wo find a very bright with il less blo cago absolutely tho position of iho green lino in abo nebulae nebulas and in bamo imo appeals not nearly as in alio llio case but absolutely eliut no tonyo wo und another tino of mag aho visible in iho planetary attain an fn iho spectrum burn laic 11 tho buman burner can bo photo graild J buo exact alio nebula 0 aiton kiil liil L fi a of ilau that is tho orgin if chib ho luminosity by abo chief cou annh 14 a compound ot mag i andiron wo RIO until aquio better haa bacu given in hold ing abo view 1 hal lilic conces coo of and that they aro ecith cr very distant cl of stars of ras 30 |