Which planet is the smallest in size in the solar system?


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.

Refer more

  1. What are the main properties of a planet?
  2. Name all the planets along with their moons
  3. Explain solar system in detail

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