Coronium


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Coronium

 

a hypothetical chemical element to which the formation of emission lines in the spectrum of the sun’s corona was ascribed. In 1939–40 it was established that the observed coronal lines are actually caused by a number of electron transitions in highly ionized elements, namely, iron, nickel, calcium, and argon.

References in periodicals archive ?
The true nature of coronium had puzzled solar physicists ever since the total solar eclipse of August 1, 1869, a widely witnessed event that was visible from Alaska to North Carolina.
Egg capsules, eggs and embryos of the southwestern Atlantic gastropod Coronium coronatum (Gastropoda: Muricidae).
The wonderful story of coronium [5, 6], along with the roles played by Walter Grotian and Bengt Edlen has been presented by Edward A.
Finally it dawned on scientists that coronium might be a known element in such extreme conditions that it produces a spectrum never seen on Earth.