Hydra (moon) the Hydra, the nine-headed serpent that battled Heracles in Greek mythology. The nine heads of Hydra are a reference to Pluto's tenure as the ninth planet; its initial, "H", refers to the Hubble Telescope, which discovered Hydra and, together with Nix, to the "New Horizons" mission whose safe passage was the motivation for taking the Hubble images. Hydra orbits the barycenter of the system in the same plane as Charon and Nix, at a distance of about 65,000 km. Its eccentricity of 0.0059 is small, but significantly non-zero, and the largest of those of Pluto's small moons (slightly larger than
Modern understanding of Greek mythology absent and a single seal impression from Knossos showing a boy beneath a sheep is regarded as a scant evidence for the myth of Zeus' childhood. Modern understanding of Greek mythology The genesis of modern understanding of Greek mythology is regarded by some scholars as a double reaction at the end of the 18th century against "the traditional attitude of Christian animosity mixed with disdain, which had prevailed for centuries", in which the Christian reinterpretation of myth as a "lie" or fable had been retained. In Germany, by about 1795, there was a growing interest in Homer and Greek mythology.