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Post Info TOPIC: Ira Sprague Bowen (1898 - 1973)
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RE: Ira Sprague Bowen (1898 - 1973)
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Doubly ionised oxygen (also known as [O III]) is a forbidden line of the ion O2+. It is significant in that it emits light in the green part of the spectrum primarily at the wavelength 500.7 nanometres (nm) and secondarily at 495.9 nm. Concentrated levels of [O III] are found in diffuse and planetary nebulae.
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Ira Sprague Bowen (December 21, 1898 - February 6, 1973) was an American astronomer. In 1927 he discovered that nebulium was not really a chemical element but instead doubly ionised oxygen.
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