chromosphere
Noun
Meaning
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.
Source: Webster's dictionarySynonyms
Hypernyms
Phrases with the word
Examples
At a distance of 197 pc, the size of the chromosphere could be up to 200 AU.
By analysing the spectrum of the chromosphere, it was found that the temperature of this layer of the solar atmosphere increases with increasing height in the chromosphere itself.
Magneto-acoustic waves cannot carry sufficient energy upward through the chromosphere to the corona, both because of the low pressure present in the chromosphere and because they tend to be reflected back to the photosphere.
Solar prominences rise up through the chromosphere from the photosphere, sometimes reaching altitudes of 150,000 km.
Figure 1 shows the trends which density and temperature follow through the chromosphere.
It is not yet fully understood what phenomenon causes the temperature of the chromosphere to paradoxically increase further from the Sun 's interior.