Sentence Examples


  • CHROMOSPHERE (from Gr.
  • This was afterwards identified with the D3 line of the solar chromosphere, observed in 1868 by Sir J.
  • Within the free surface, whereas the chromosphere is of an average thickness of 5000 m., and attains that temperature only at its base.
  • In the higher chromosphere the following were recognized: helium and parhelium, hydrogen, strontium, calcium, iron, chromium, magnesium, scandium and titanium.
  • In the general solar spectrum this element is represented by a large number of lines, but in the spectrum of the prominences and chromosphere one pair only can be detected.