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

금성의 위상

Phase of Venus

Venus’ changes in phase and size are strong evidence of ‘Heliocentrism.’ Venus looks like a crescent moon or a full moon, depending on its angle to the sun. Venus is large when it looks like a … more