The smallest and closest planet to the sun is Mercury.
Solar system
There about nine planets in the solar system. These planets orbit the sun at different rates.
The planets that make-up the solar system
The planets that make up the solar system include the following, starting from the closest to the sun to the farthest from the sun.
- Mercury
- Venus
- Earth
- Mars
- Jupiter
- Saturn
- Uranus
- Neptune
- Pluto
Thus, the smallest and closest planet to the sun is Mercury.
Learn more about planets here: https://brainly.com/question/13106554
