ashen light

(redirected from Ashen glow)

ashen light

1. The faint glow claimed to be occasionally observed on the unlit area of Venus in its crescent phase. Its cause is unknown but it might result from bombardment of atmospheric atoms and molecules by energetic particles and radiation, as with terrestrial airglow.
2. See earthshine.

ashen light

[′ash·ən ¦līt]
(astronomy)
A faint, luminous glow sometimes observed over the right side of Venus when it is close to inferior conjunction, probably due to electrical disturbances in the ionosphere of Venus.
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References in periodicals archive ?
When its dusty cover is washed off, the structure that inspired the Taj acquires an ashen glow.
In the first place, in regard to the problem of the ashen glow of the lunar globe, the description of a Sun "who penetrates and floods the Moon's solid body with his rays" is embarrassingly suggestive, and was a current figure for the Incarnation, but it is also, crucially, an explanation of secondary light that Galileo discarded in favor of his theory, that of a reflection off the surface of the earth.