May 4, 2012
If as a result of quick catching up, my book again becomes obsolete a few years hence, I shall be very happy indeed.
Willy Ley, "Rockets, Missiles, & Space Travel", March 1, 1951
seen from United States
seen from United States
seen from China
seen from China
seen from Australia
seen from Australia
seen from United States
seen from Malaysia
seen from Jordan
seen from United States
seen from United States
seen from United States
seen from China
seen from Germany
seen from Brazil
seen from Spain
seen from United Kingdom
seen from United States
seen from Canada
seen from Saudi Arabia
If as a result of quick catching up, my book again becomes obsolete a few years hence, I shall be very happy indeed.
Willy Ley, "Rockets, Missiles, & Space Travel", March 1, 1951
If they finally chase us from the earth, my book will be useful to emigrants and pilgrims as a guidebook of the moon.
Johannes Kepler, 1629 correspondence