NEBLUÆ MYSTERY
SOLVED !H LABORATORY GRRFA LIVES DUE TO ATOM.* OP GAPES. In a iw»nt lecture before the Astrouomical Society of the Pacific in San, Francisco Dr J. H. Moore, astronomer in the TOk Observatory, spoko of the “ gaseous nebula;," which are great cloud-likemisses of hydrogen, helium, atm other gases, bu so extremely rarefied that their molecules m a space are far loss numerous than in till most perfect vacuum that man can produce in terrestrial laboratories. Only a few hundred of these nebulae are known. One of the most beautiful is He oxeat nebula of Orion, mslan. from m. about 600 light rears; its width across the lino of sigh, is about ten light years la, light year is 6,006,000,000, COO 111 « 6 Its density is estimated as a nnlhouHdhonth of tire density of our air; yet it is re .. in extent that, its iota mass or w< ght is Wfri-fe possibly a revolution about an axis m a iicriod of 300,000 years. 1 The spectra of tbo gaseous nebula s -v lines duo to hydrogen and helium and other ~ “but most characteristic are the so--2d ’ nebulium ” line-bright OT me* SU s i« u» ■pnr inrniv venrs inoo 'V ; n oxUrcme slates ol rermac! on e 'T!.o "«H« hrr \;’Milfy Way ,w. ™ it Ad sa?w :«*-£ ;r.i i. - ”™ ss« "** similar in all reacts to those m our own island univoivo.
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Bibliographic details
Evening Star, Issue 19952, 23 August 1928, Page 5
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230NEBLUÆ MYSTERY Evening Star, Issue 19952, 23 August 1928, Page 5
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