Apparent Motion of Venus

Apparent Motion of Venus

All planets in the Solar System revolve around the Sun in a counterclockwise direction when one views them from the celestial sphere’s north pole. Mercury and Venus are inner planets in the Solar System. They are … more

내행성의 최대이각

Maximum Elongation of Inner Planets

Maximum Elongation of Inner Planets From the Earth’s perspective, the inner planets seem to stay near the sun. This is because it orbits the inside of the earth. So We cannot see the inner planets in … more