Airglow (also called nightglow) is the very weak emission of light by a planetary atmosphere. In the case of Earth's atmosphere, this optical phenomenon causes the night sky never to be completely dark, even after the effects of starlight and diffused sunlight from the far side are removed.
Monday, October 26, 2015
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Nine holes
Nine holes is a two-player abstract strategy game from different parts of the world and is centuries old. It was very popular in Englan...
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Nureongi (누렁이) and Hwangu (황구; 黃狗) are Korean terms meaning "Yellow Dog" used to refer to tannish mongrel or landrace of dog in...
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Three portions of the post-creole continuum : acrolect ( linguistics ) The variety of speech that is considered the standard form. m...
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