The book "Practical Values of Space Exploration. Report of the Committee on Science and Astronautics of the House of Representatives of the United States of America, Eighty-sixth Congress, Second Session" by United States. Congress. House. Committee on Science and Astronautics, is a documentary science report that examines the practical significance of space exploration. This book collects the conclusions and recommendations of experts from various fields of science and technology regarding the impact of space discoveries on the development of mankind. The report, in advanced language, examines the issues of space exploration from the perspective of practical benefits to society, technological progress, and the future colonization of space. This is an important document that provides an opportunity to better understand the benefits and challenges associated with space exploration and the consequences for humanity. This book is a source of information where opinions and expert assessments are recorded in the field of scientific research of space, as well as realized and future possibilities of using space technologies.