Which planet is the best surface for observations from Earth?

Mars is the only planet in the solar system, the surface of which is most accessible for astronomical observations both from the Earth and from space due to a very rarefied atmosphere and favorable conditions of visibility and illumination by the Sun.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.