Background Information Venus is the second planet in distance from the sun and nearest to the earth of all the planets in the solar system(太阳 R. Except for the sun and the moon, Venus is the brightest object in the sky. The planet is Planetary Radius( km) called"the morning star" when it appears in the east at sunrise, and“ the evening star” when it is in the west at sunsetBackground Information Venus is the second planet in distance from the sun and nearest to the Earth of all the planets in the solar system (太阳 系). Except for the sun and the moon, Venus is the brightest object in the sky. The planet is called “the morning star” when it appears in the east at sunrise, and “the evening star” when it is in the west at sunset