Chromosphere
CHROMOSPHERE (from Gr., colour, and , a sphere), in astronomy, the red-coloured envelope of the Sun, outside of the photosphere. It can be seen with the eye at the beginning or ending of a total eclipse of the Sun, and with a suitable spectroscope at any time under favourable conditions. (See Sun and Eclipse.)
Note - this article incorporates content from Encyclopaedia Britannica, Eleventh Edition, (1910-1911)
