However, if theory is not combined with practice, there will inevitably be some difficulties in understanding and observing the stars. Fortunately, the star map version of the Star Empire tries to explain the stars. On the basis of reciting China's astrological work "Song of Bu Tian by Dan Zi Yuan", combined with the step-sky map created by Xu Gang, an astronomical artist and author of astronomical popular science, the secret of the ancient star official system in China was revealed to readers with the long folded picture of the ancient version of the step-sky map.
The knowledge of ancient astronomy in China contained in this book incorporates historical allusions, poems and songs, calligraphy and painting, and other cultural elements unique to China. , covered by "Star Empire (Commemorative Edition)", forms an echo, which makes it have extremely high collection value.
As an auxiliary star identification tool, the new edition of the sky-mending gauge drawn by the author can help readers know the stars and 28 stars in the night sky quickly and conveniently on the date and time of observation. The observation point is determined by season, dimension, date and place. And all the sky visible on the horizon is observed by rotating the sky disk, with the center of rotation as the north celestial pole, and the approximate oval window on the field.
Readers can observe the stars by rotating the astrolabe according to the instructions behind the sky-mending gauge. Compared with the rich and interesting analysis of the stars, this book adds a little hands-on fun.