At some point in time, the horizontal parallax of the planet was measured. It turned out to be equal to 10. “What planet is this?

The distance to the planet at that moment was 0.88 AU. e. Thus, it could be Mercury, Venus or Mars.

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.