Phosphorus (morning star) Phosphorus (morning star) Phosphorus (Greek "Phōsphoros") is the Morning Star, the planet Venus in its morning appearance. Φαοσφόρος ("Phaosphoros") and Φαεσφόρος ("Phaesphoros") are forms of the same name in some Greek dialects. This celestial object was named when stars and planets were not always distinguished with modern precision. Another Greek name for the Morning Star is Heosphoros (Greek "Heōsphoros"), meaning "Dawn-Bringer". The form Eosphorus is sometimes met in English, as if from Ἠωσφόρος ("Ēōsphoros"), which is not actually found in Greek literature, but would be the form that Ἑωσφόρος would have in some dialects. As an adjective, the Greek word
Star system star, or this closeness may be merely apparent, in which case it is an "optical" multiple star (meaning that the stars may appear to be close to each other when viewed from planet Earth, as they both seem to occupy the same point in the sky, but in reality, one star may be much further away from Earth than the other, which is not readily apparent unless one can view them from a different angle). Physical multiple stars are also commonly called "multiple stars" or "multiple star systems". Most multiple star systems are "triple stars". Systems with four or more