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GEGENSCHEIN (Ger. gegen, opposite, an...

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Originally appearing in Volume V11, Page 550 of the 1911 Encyclopedia Britannica.
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GEGENSCHEIN (Ger. gegen, opposite, and schein, shine), an extremely faint luminescence of the sky, seen opposite the direction of the sun. Germany was the country in which it was first discovered and described. The English rendering " counter-glow " is also given to it. Its faintness is such that it can be seen only by a practised eye under favourable conditions. It is invisible during the greater part of June, July, December and January, owing to its being then blotted out by the superior light of the Milky Way. It is also invisible during moonlight and near the horizon, and the neighbourhood of a bright star or planet may interfere with its recognition. When none of these unfavourable conditions supervene it may be seen at nearly any time when the air is clear and the depression of the sun below the horizon more than 200. (See ZODIACAL LIGHT.)
End of Article: GEGENSCHEIN (Ger. gegen, opposite, and schein, shine)
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