Episode #2: Urvish Singh Chauhan helps us understand the Solar system: The collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets. Planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; Inner planets: Mercury, Venus, Earth and Mars; and Outer planets: Jupiter, Saturn, Uranus and Neptune.