Several other smaller objects also move around the sun.
Many planets in our solar system have natural satellites called the moon.
It was in the year 1930 that the ninth planet, Pluto was discovered.
Astronomer Clyde Tombaugh discovered Pluto which is now identified as a dwarf planet.
Our solar system forms a part of the Milky Way Galaxy.
Various celestial bodies in our solar system revolve around the Sun directly or indirectly.
While Earth has one moon, Mars has two, Neptune has 14 moons, Uranus has 27 moons, Saturn has 62 moons and Jupiter has as many as 79 moons. Mercury and Venus, on the other hand, do not have any moon.
Just as the planets move around the Sun in a fixed path, moons orbit around their respective planets.
It was in the 18 millennium BC, Mercury, Venus, Mars, Jupiter and Saturn were identified by ancient Babylonian astronomers. Uranus was discovered by famous astronomer, Sir William Herschel in 1781.
Neptune was discovered by English astronomer and mathematician, John Couch Adams in the year 1846.