Nearby Words
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.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Chromosphere
is always a great word to know.
So is companion. Does it mean:
| the fainter of the two stars that constitute a double or binary star |
| a celestial body with a mass of gas that is hot enough to produce and sustain nuclear fusion, thus producing luminosity |
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
chromosphere
1868, from chromo-, from Gk. khrome "color" + -sphere. So called for its redness.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
chromosphere  (krō'mə-sfîr') Pronunciation Key
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. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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