has a degree in Mechanical Engineering with a concentration in Aerospace. In other words, he is a rocket scientist. Ian Mitchell is a physics Ph.D. student at the University of Houston studying experimental particle physics. Together they are currently working on a fascinating alternate history of the NASA space flight program called . It diverges from our history at the point where the Apollo program comes to an end, and in our time line NASA decides to go with developing a space station, instead of the Space Shuttle. The consequences of not having a reusable launch vehicle in the 1970's are interesting, to say the least.
has images from an alternate history where the Cold War between the US and the Soviet Union extended into space. All the rendered images are based on historical fact. All the spacecraft shown were planned but never flew operationally (some cancelled before they left the drawing board). They represent a fascinating look at what might have been.
Alternate history, long popular with fiction writers, has also been explored by historians and journalists. Here are some of their intriguing conclusions.