Venus-At dawn, a particularly bright "morning star" sometimes appears on the eastern horizon. It is not a light source, people call it the "morning star"; At dusk, a very bright "evening star" sometimes appears in the afterglow of the west, which is called "Chang Geng Star". These two stars are actually one, namely Venus, which is called Taibai or Taibai Venus among the people in China. Venus, the first morning star that appears every night.