GENERAL KNOWLEDGE

Detailed explanation-1: -Mercury is the smallest planet in our solar system – only slightly larger than Earth’s Moon.

Detailed explanation-2: -(c) Mercury is the smallest planet of the Solar system.

Detailed explanation-3: -Mercury is much smaller than Venus, Mercury is about twice as close to the Sun as Venus, Mercury is much less reflective than Venus, and. Mercury has no atmosphere, while Venus has a very thick atmosphere.

Detailed explanation-4: -Mercury is the smallest of the eight planets because it has the smallest circumference and has the smallest mass. The circumference of Mercury is about 9500 miles, and the second smallest planet is Mars with a circumference of just over 13, 000 miles.