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,
Miners in the Sky Miners in the Sky Miners in The Sky is a 1967 Science Fiction novel by Murray Leinster. The rings around Thotmess, a gas giant in the system of the star Niletus where planets are called for Ancient Egyptian gods, is a completely lawless place. The only human inhabitants are rugged miners, riding small "donkey ships", who need to contend with both the harsh natural environment and fierce human competitors. "Claim jumping" is frequent and miners must be ready at any moment to take up a gun or a bazooka to defend their finds of "grey matrix in which abyssal crystals