Word: oxygen
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Dates: during 1901-1901
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...fying these gases, it was found that hydrogen, nitrogen and rarefied air gave substantially the same spectrum under the same conditions and as a result of the powerful electrical discharges the aqueous vapor was released from the walls of the spectrum tubes. From this investigation it was concluded that oxygen does exist in the atmosphere of the sun. It was also found by a similar study of aqueous vapor in the X-ray phenomenon that, probably by varying the conditions of the strength of the electrical discharges and the condition of the vapor, X ray photographs can be secured...