Word: coronium
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Dates: during 1930-1939
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Whether the sun contains a mysterious element "coronium," unknown to the earth, or whether the phenomenon giving rise to the coronium theory is merely the reaction of a well known element such as oxygen under peculiar conditions on the sun, is one of the many important scientific problems which the Harvard-Technology instruments have been designed to solve...
...spectacular corona, trapped in spectroscopes during the scant seconds of a total eclipse, has produced on the spectrogram five mysterious bright lines. Astronomers deduced that the corona, though mostly scattered sunlight, was partly self-luminous. What element made it so? Not knowing, they called it "coronium." As recently as last year, in a standard work on eclipses, "coronium" was treated with respect. The Menzel-Boyce report unmasks it as mostly oxygen in bizarre atomic metamorphoses. The normal oxygen atom has eight orbital electrons. Menzel & Boyce proceeded to imagine oxygen atoms in such a state of excitation that electrons could skip...
...neutral oxygen atom in the high solar atmosphere and under a peculiar state of excitation has been definitely found to coincide with analysis of three of the strongest coronal lines. For years "coronium" a purely hypothetical element, had been considered the cause of the radiations from the sun's corona, just as the light of nebulae was long attributed to the mythical "nebulium...