Now began immediately a great battle for possession of the invaluable drink. One of the titans, Rahu, managed to steal a sip, but was beheaded before the liquor passed his throat; his body decayed but the head remained immortal. And this head now goes pursuing the moon forever through the skies, trying again to seize it. When it succeeds, the cup passes easily through its mouth and out again at its throat: that is why we have eclipses of the moon.