Rahu & Ketu are – according to Hindu mythologies – the serpent demons who swallow the Sun and Moon! This occurrence is of course a Solar Eclipse or a Lunar Eclipse (`Sooriya Grahanam’ and `Chandra Grahanam’ in Tamil language).
These demons – one with a human head and snake tail, and the other with a snake head and human body – were not always 2 separate beings! In fact they were one demon (Asuran).
What’ s the story? Why did they split? And why do they taunt the Sun and Moon ?