chromosphere
Definition
The chromosphere is a layer of the Sun's atmosphere located between the photosphere and the corona, visible during solar eclipses as a reddish glow.
Español Una capa de la atmósfera del Sol ubicada entre la fotosfera y la corona, visible durante eclipses solares como un brillo rojizo.
Example
"During the total solar eclipse, astronomers observed the red rim of the chromosphere surrounding the Moon."