Download or read book Challenge to Apollo written by Asif A. Siddiqi and published by www.Militarybookshop.CompanyUK. This book was released on 2011-03-01 with total page 1030 pages. Available in PDF, EPUB and Kindle. Book excerpt: Taking advantage of the Soviet archives, which were opened in the 1990s, Siddiqi has written a groundbreaking work that examines why the Soviet Union fell behind in the space race of the 1960s after changing the course of human history with the first artificial satellite launch, Sputnik, in 1957.