The main difference between the heliocentric system of the world and the geocentric one is that in the heliocentric frame of reference, the motion of celestial bodies is considered relative to the Sun, and in the geocentric system, relative to the Earth.
According to the geocentric system of the world, in the center of the Universe is the Earth, around which the celestial bodies move. According to the heliocentric system, the Sun is in the center and the Earth and other planets move around 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.