Phosphorus (morning star) Latin word corresponding to Greek "Phosphorus" is "Lucifer". It is used in its astronomical sense both in prose and poetry. Poets sometimes personify the star, placing it in a mythological context. 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,
Mercury (planet) its greatest eastern elongation happens only during late winter in the Southern Hemisphere. In both of these cases, the angle at which the planet's orbit intersects the horizon is maximized, allowing it to rise several hours before sunrise in the former instance and not set until several hours after sundown in the latter from southern mid-latitudes, such as Argentina and South Africa. An alternate method for viewing Mercury involves observing the planet during daylight hours when conditions are clear, ideally when it is at its greatest elongation. This allows the planet to be found easily, even when using telescopes with