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Chromospheric

   Also found in: Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
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.
chromo·spheric (-sfîrk, -sfr-) adj.


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Starting at roughly 6,000 kelvins at the sun's surface, the solar atmosphere's temperature falls to nearly 4,300 kelvins at an altitude of 500 kilometers before rising to typical chromospheric temperatures.
Big chill in the solar atmosphere by Peterson, I. / Science News
He describes a "basal chromospheric flux," which he attributes to "maybe acoustic heating," and which he subtracts from the total flux.
Desperately seeking Kepler; cool stars - of which the sun is one - ... by Thomsen, Dietrick E. / Science News
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