chromosphere

American  

[kroh-muh-sfeer] / ˈkroʊ məˌsfɪər /

noun

Astronomy.

1. a scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of hydrogen and other gases are erupted.

2. a gaseous envelope surrounding a star.

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chromosphere British  

/ ˈkrəʊməˌsfɪə, ˌkrəʊməˈsfɛrɪk /

noun

1. a gaseous layer of the sun's atmosphere extending from the photosphere to the corona and visible during a total eclipse of the sun

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chromosphere Scientific  

/ krō′mə-sfîr′ /

1. 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.

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Other Word Forms

Derived Forms

• chromospheric
  adjective

Etymology

Origin of chromosphere

First recorded in 1865–70; chromo- + -sphere

Example Sentences

This layer is known by the name of the Chromosphere.

From Astronomy of To-day A Popular Introduction in Non-Technical Language by Dolmage, Cecil Goodrich Julius

A Section through the Sun, showing how the Prominences rise from the Chromosphere 131 11.

From Astronomy of To-day A Popular Introduction in Non-Technical Language by Dolmage, Cecil Goodrich Julius

The most important of these is the Chromosphere, which consists of layers of incandescent gases that envelop the photosphere and completely surround the Sun.

From The Astronomy of Milton's 'Paradise Lost' by Orchard, Thomas Nathaniel