...“Liquid helium... 
Various 「Astounding Stories of Super-Science, March 1930」
...I developeda cold light under whoserays helium would liquefy and remainin a state of equilibrium until exposedto light rays...
Various 「Astounding Stories of Super-Science, March 1930」
...Noknown terrestrial element gave such aline and he named the new elementwhich he deduced helium, from Helos,the sun...
Various 「Astounding Stories of Super-Science April 1930」
...The element helium was firstisolated by Ramsey some twenty-sevenyears later...
Various 「Astounding Stories of Super-Science April 1930」
...The helium line of the latter had never been noticed to bedouble...
Robert Stawell Ball 「The Story of the Heavens」
...c), the spectra of which are distinguished by the presence of brighthydrogen lines and the bright helium line D3...
Robert Stawell Ball 「The Story of the Heavens」
...Here againwe have hydrogen and helium represented by bright lines, while theorigin of the remaining bright lines is doubtful...
Robert Stawell Ball 「The Story of the Heavens」
...The quiescent prominences, whose elevation is often from forty thousand to sixty thousand miles, consist, as the spectroscope shows, mainly of hydrogen and helium...
Garrett Serviss 「Curiosities of the Sky」
...Its spectrum shows that it is composedchiefly of hydrogen, calcium and helium, in the state of vapour...
Cecil G. Dolmage 「Astronomy of To-day」
...About a dozen less conspicuous lines were graduallyidentified in the spectrum of the prominences and the chromosphere,which appeared also to be caused by this same mysterious helium...
Robert Stawell Ball 「The Story of the Heavens」
...Thus the identity between thecelestial helium and the gas found on our globe was established in themost remarkable manner...
Robert Stawell Ball 「The Story of the Heavens」
ランダム例文：
daedalus perpetual ternary
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