Homo cosmicus: the phenomenon of «oceanic feeling»

The most ancient idea of man and the universe communion has got postulate evidence of unknown origin, sometimes defaced in a sustainable idiom «Man and the Universe». According to the famous physicist S. Weinberg, for a modern man as well as for our ancient predecessor «the belief that we have some special relation to the Universe is almost inevitable».This communion is embodied in the phenomenon, which was fixed and designated in different ways by various thinkers. The most common names for it are space consciousness, oceanic or universal feeling. What is the core of this phenomenon, the essence of what kind is hidden behind it- The article offers a possible answer to this question.