Tác giả: Michael H. Gorn

Expanding the Envelope is the first book to explore the full panorama of flight research history, from the earliest attempts by such nineteenth century practitioners as England’s Sir George Cayley, w …

Spacecraft takes a long look at humankind’s attempts and advances in leaving Earth through incredible illustrations and authoritatively written profiles on Sputnik, the International Spac …

Foreword by Dr. Roger D. Launius, Former NASA Chief Historian  For the past 75 years, the U.S. government has invested significant time and money into advanced aerospace research, as evidenced …