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
Apparent Motion
Apparent Motion of Mars
Apparent Motion of Mars If you observe the motion of Mars, you can see that you go forward and go backward. This procession of Mars has been regarded as mysterious since ancient times. In the past, … more