Spec`tro*he"li*o*gram` (?), n.
[Spectrum + heloi- + -gram.]
(Astrophysics) A photograph of the sun made by
monochromatic light, usually of the calcium line (k), and showing the
sun's faculæ and prominences.
Spec`tro*he"li*o*gram` (?), n.
[Spectrum + heloi- + -gram.]
(Astrophysics) A photograph of the sun made by
monochromatic light, usually of the calcium line (k), and showing the
sun's faculæ and prominences.