Dragons in Greek mythology placed it in the heavens as the constellation Cancer. After slaying the serpent, Heracles buried the immortal head under a rock and dipped his arrows in the creature's blood to make them fatal to his enemies. In one version, the poisoned arrows would eventually prove to be the undoing of his centaur tutor Chiron, who was placed in the heavens as the constellation Centaurus. In Greek mythology Python was the earth-dragon of Delphi, always represented in the vase-paintings and by sculptors as a serpent. Various myths represented Python as being either male or female (a drakaina). Python was the chthonic
Greek mythology to prove, as in the case of the Greek Moirai and the Norns of Norse mythology. It appears that the Mycenaean religion was the mother of the Greek religion and its pantheon already included many divinities that can be found in classical Greece. However, Greek mythology is generally seen as having heavy influence of Pre-Greek and Near Eastern cultures, and as such contains few important elements for the reconstruction of the Proto-Indo-European religion. Consequently, Greek mythology received minimal scholarly attention in the context of Indo-European comparative mythology until the mid 2000s. Archaeology and mythography have revealed influence from Asia Minor