chromosphere
2nd of the 3 main layers in the Sun's atmosphere (above the photosphere, below the solar transition region); 3000–5000 km deep, with a rosy red color only apparent during eclipses
en-GB/ˈkɹəʊməsˌfɪə/
en-US/ˈkɹoʊməˌsfiɹ/
2nd of the 3 main layers in the Sun's atmosphere (above the photosphere, below the solar transition region); 3000–5000 km deep, with a rosy red color only apparent during eclipses