
1) Layer
Found on
https://www.crosswordclues.com/clue/chromosphere

The chromosphere (literally, `sphere of color`) is the second of the three main layers in the Sun`s atmosphere and is roughly 2,000 kilometers deep. It sits just above the photosphere and just below the solar transition region. The density of the chromosphere is very low, it being only 10−4 times that of the photosphere, the layer just below ......
Found on
http://en.wikipedia.org/wiki/Chromosphere

Layer outside the photosphere of the Sun
Found on
http://jot101.com/2015/05/a-z-of-science-fiction-words/

• (n.) An atmosphere of rare matter, composed principally of incandescent hydrogen gas, surrounding the sun and enveloping the photosphere. Portions of the chromosphere are here and there thrown up into enormous tongues of flame.
Found on
http://thinkexist.com/dictionary/meaning/chromosphere/

A reddish layer in the Sun's atmosphere, the transition between the photosphere and the corona.
Found on
http://www.braeunig.us/space/glossary.htm

lowest layer of the Sun`s atmosphere, several thousand kilometres thick, above the bright photosphere and below the extremely tenuous corona. Named ... [4 related articles]
Found on
http://www.britannica.com/eb/a-z/c/81

A narrow, irregular region of a star's atmosphere that lies between its photosphere and its corona. The Sun's chromosphere starts from a temperature of about 6,000 K at the top of the photosphere. At about 500 km above the photosphere, there is a temperature minimum of about 4,300 K and, above thi...
Found on
http://www.daviddarling.info/encyclopedia/C/chromosphere.html

The part of the Sun's atmosphere that lies above the photosphere of the Sun.
Found on
http://www.encyclo.co.uk/local/20448

The layer between the photosphere and the corona in the atmosphere of the Sun, or any other star, mainly composed of excited hydrogen atoms.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

The layer of the solar atmosphere above the PHOTOSPHERE and beneath the transition region and the CORONA.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Chro'mo·sphere noun [ Greek ... color + English
sphere .]
(Astron.) An atmosphere of rare matter, composed principally of incandescent hydrogen gas, surrounding the sun and enveloping the photosphere. Portions of the chromosphere are here and there thrown up into enormous tongues of flame. ...
Found on
http://www.encyclo.co.uk/webster/C/74

a layer in the Sun and many other starts just above the photosphere
Found on
http://www.kidseclipse.com/pages/glossary.htm

The part of the Sun's atmosphere just above the surface.
Found on
http://www.seasky.org/astronomy/astronomy-glossary.html

The lower level of the solar atmosphere between the photosphere and the corona.
Found on
http://www.solarviews.com/eng/terms.htm

[
n] - 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
Found on
http://www.webdictionary.co.uk/definition.php?query=chromosphere

The layer of the solar atmosphere that is located above the photosphere and beneath the transition region and the corona. The chromosphere is hotter than the photosphere but not as hot as the corona.
Found on
https://www.encyclo.co.uk/local/20087

The layer of the solar atmosphere above the photosphere and beneath the transition region and the corona. It is seen during eclipses as a bright red ring around the Sun, and the term burning prairie has been used to describe it. See also: Sun.
Found on
https://www.encyclo.co.uk/local/20687
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
Found on
https://www.encyclo.co.uk/local/20974

Layer of mostly hydrogen gas about 10,000 km/6,000 mi deep above the visible surface of the Sun (the photosphere). It appears pinkish red during eclipses of the Sun
Found on
https://www.encyclo.co.uk/local/21221

Part of the Sun's atmosphere, it is visible during a total solar eclipse.
Found on
https://www.encyclo.co.uk/local/22784

a scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of hydrogen and other gases are erupted. · a gaseous envelope surrounding a star.
Found on
https://www.infoplease.com/dictionary/chromosphere
No exact match found.