chromosphere

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supergranulation plage spicule flash spectrum Sun heliosphere photosphere solar calendar corona solar energy 6 Questions About the Sun Answered How Hot Is the Sun?The Sun Was Eaten: 6 Ways Cultures Have Explained Eclipses solar eclipse How Big Is the Sun?

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Sun: Chromosphere and corona

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Frankland

Sir Edward Frankland

British scientist

Lockyer

Sir Joseph Norman Lockyer

British astronomer

Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.

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