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 the same star cluster as Abbith, Xoth, and Zaoth. In Lin Carter's "The Feaster from the Stars: The History of Yzduggor the Eremite", Ymar is said to orbit the star Algol and to be the homeworld of the Great Old One "Zvilpogghua", an offspring of Tsathoggua (See Algol). Yuggoth (or Iukkoth) is the dwarf planet Pluto. It is home to the Mi-Go, a race of fungi-crustacean of Lovecraft's invention. In Richar A. Lupoff's "Discovery of the Ghooric Zone—March 15, 2337", it alternately appears as an enormous planet that orbits on the rim of the Solar System, coinciding with the hypothetical