chromosphere

chro·mo·sphere  (krm-sfîr)

n.

1. An incandescent, transparent layer of gas, primarily hydrogen, several thousand miles in depth, lying above and surrounding the photosphere of a star, such as the sun, but distinctly separate from the corona.

2. A gaseous layer similar to a chromosphere around a star.

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chromo·spheric (-sfîrk, -sfr-) adj.

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chromosphere [ˈkrəʊməˌsfɪə]

n

(Astronomy) a gaseous layer of the sun's atmosphere extending from the photosphere to the corona and visible during a total eclipse of the sun

chromospheric  [ˌkrəʊməˈsfɛrɪk] adj

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chromosphere  (krm-sfîr)

A glowing, transparent layer of gas surrounding the photosphere of a star. The Sun's chromosphere is several thousand kilometers thick, is composed mainly of hydrogen at temperatures of 6,000° to 20,000°K, and gives off reddish light.

Thesaurus

Noun

1.

chromosphere - a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun layer - a relatively thin sheetlike expanse or region lying over or under another Sun - the star that is the source of light and heat for the planets in the solar system; "the sun contains 99.85% of the mass in the solar system"; "the Earth revolves around the Sun"