GENERAL KNOWLEDGE

Detailed explanation-1: -Mercury is the planet that orbits the closest to the Sun.

Detailed explanation-2: -The answer is planet Mercury. At an average distance of only 57.9 million km, Mercury orbits closer to the Sun than any other planet. Just to give you a comparison, Venus orbits the Sun at an average distance of 108.2 million km.

Detailed explanation-3: -As you probably know, Mercury is the closest planet to the Sun, orbiting at an average distance of 57.9 million km. So then, what planet gets closest to Mercury in orbit. The answer, of course is Venus, the 2nd closest planet to the Sun. Venus orbits at an average distance of 108.2 million km.