Night sky or good binoculars, the planets appear as discs demonstrating finite size, and it is possible to observe orbiting moons which cast shadows onto the host planet's surface. Venus is the most prominent planet, often called the "morning star" or "evening star" because it is brighter than the stars and often the only "star" visible near sunrise or sunset, depending on its location in its orbit. Mercury, Mars, Jupiter and Saturn are also visible to the naked eye. Earth's Moon is a grey disc in the sky with cratering visible to the naked eye. It spans, depending on its exact location,
Extraterrestrial places in the Cthulhu Mythos found near the "eye" of the constellation Hydra, and is believed to be inhabited by the chthonians. Shub-Niggurath is thought to have once dwelt here. A green-litten planet located in Dimension N beyond our Galaxy where the "leaden hillside of Pnapf" is located. This alien world has been visited in dreams by Walter Gilman in H.P. Lovecraft's "The Dreams in the Witch-House" (1933). Hyades is the sky field where the city of Carcosa and its planet are located. The planet-host star of Carcosa is described as "twin Suns", making it then a Solar-type binary star. An undefined realm, possibly a