Fortune Telling Collection - Horoscope - What is the diagonal of the constellation diagram?

What is the diagonal of the constellation diagram?

Is the distance between constellation points.

According to the data query of Baidu Encyclopedia, the diagonal of the constellation shows the distance between constellation points, and the diagonal can observe how far the distance between constellations is.

Constellation refers to one of the indispensable components of astrology, and also refers to the combination of stars in the sky.