本套书内容涵盖了航天领域的方方面面，从航天事业的起源、发生、发展，一直到最先进的登月、太空行走全过程，阅览全书，能够使青少年站在当今科技的新起点寻找开发宇宙空间的突破口，为人类征服太空贡献自己的力量。(The content of the book covers all aspects of the field of aerospace and the whole process from the origin, occurrence and development of aerospace cause to the latest moon landing and spacewalk. After reading the book, teenagers can stand at a new starting point of today’s science and technology to find the breakthrough of developing the outer space and contribute their efforts to human beings’ conquest of the outer space.)