The Photosphere: Is It the Top or the Bottom of the Phenomenon We Call the Sun?

https://www.kronos-press.com/juergens/k0404-photosphere.htm

An Introduction to Astronomy , Macmillan (1906), p. 413. 9. L. Goldberg and E. Dyer, Jr., "The Sun," in Science in Space , L. Berkner and H. Odishaw, eds., McGraw-Hill (1963), p.
Article by Ralph Juergens on The Electric Sun

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