Rāhu

The ascending lunar node. An asura and god of the solar eclipse.

A supernatural being in the Tibetan Buddhist tradition, particularly the Nyingma lineage. Usually depicted as dark blue in colour and having nine heads one of which is that of a raven. He has a face in his belly the mouth of which swallows up the moon or sun during eclipses. He is master of the nine planets and the god of solar and lunar eclipses.