This text presents a comprehensive account of the magnetic fields of various celestial bodies - the Sun, the Moon, planets, stars, the Milky Way, and galaxies, as well as the interplanetary, interstellar and intergalactic media. The original Chinese edition was published in Beijing in 1978. The present English edition has been enhanced and thoroughly rewritten. This monograph is characterized by its detail and may be used as a reference and textbook for scientific researchers and students of astronomy, space physics, geophysics and other related sciences.

Magnetism is one of the basic properties of matter. Mankind has trav elled a long road in discovering and utilizing magnetism, and in this respect the ancient Chinese people have made outstanding contribu tions. In the book 'Lu's Spring and Autumn', written near the end of the Warring States Period, i. e. in the third century B. C., there is a statement on the "attraction of iron by lodestones." So at that time it was known that magnets can attract ferromagnetic material. At the be ginning ofthe first century A. D., viz. in the early years ofthe East Hang Dynasty, the famous scholar Wang...