Coba jelasin Topik kagandhèng dari NASA dalam bahasa jawa dong

Robert Gilruth, Chris Kraft, Gene Kranz (flight directors)

National Space Agency of Ukraine

Russian Aviation and Space Agency

Deutches Luft- und Raumfahrtzentrum, Jerman

Cassini Imaging Laboratory – Stunning images of the planets taken by the Cassini exploratory spacecraft.

NASA Historical Data Books (SP-4012)

Research in NASA History: A Guide to the NASA History Program (large PDF – over 1,012 kb)

NTRS: NASA Technical Reports Server