chromosphere
pronunciation
How to pronounce chromosphere in British English:
UK ['krəʊməsfɪə]
How to pronounce chromosphere in American English:
US [ˈkroməˌsfɪr]
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- Noun:
- 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
Word Origin
- chromosphere (n.)
- 1868, coined by English astronomer Sir Joseph Norman Lockyer (1836-1920), from chromo-, from Greek khroma "color" (see chroma) + sphere. So called for its redness.
Example
- 1. The solar atmosphere above that consists of the photosphere , chromosphere , a transition region and the corona .
- 2. This eclipse took place during a maximum of a sunspot cycle , and the image is processed to show not only the corona but also the chromosphere and the prominences
- 3. It is difficult to photograph the actual chromosphere .
- 4. As spicules measuring in the tens of thousands of degrees kelvins rise from the chromosphere , the researchers noticed , patches of the corona above flare up at one million to two million degrees .
- 5. Spicules , which are short-lived fountains of plasma shooting up from the sun 's chromosphere , or lower atmosphere , seem to play a role in heating the corona to searing temperatures at millions of degrees kelvins , investigators have found .