Among all the eight planets in the solar system, Mercury is the smallest planet. It is the closest planet to the Sun at a distance of about 36 million miles.
Features of Mercury
Listed below are the few features of Mercury
- One day on Mercury takes 59 Earth days.
- Mercury makes a complete orbit around the Sun (a year in Mercury time) in just 88 Earth days.
- Mercury is a rocky planet, also known as a terrestrial planet.
- Mercury’s thin atmosphere, or exosphere, is composed mostly of oxygen (O2), sodium (Na), hydrogen (H2), helium (He), and potassium (K).
- Mercury has no moons.