Explanation:
the smallest and fastest planet which is nearest to the sun is mercury which orbit at the distance of 58 million kilometres it is a hot ball of fire.. it has a solid surface that is covered with craters.. and it doesn't have any moons..
the second planet which is nearest to the sun is Venus it is also the brightest planets of the solar system which can be seen with naked eyes it is also known as red planet and it is hottest than Mercury and hottest planet of the solar system..
