Some extra stuff that didn't make it into my piece today about NASA's social strat.

By contrast, the up-and-coming China National Space Administration talks about its ambitious space program in glorious terms. Citizens do not think of it as fun; they see it as a source of national prestige. China’s planned space station is codenamed "heavenly palace," its female astronauts are required to be married, and it does not have a presence on Twitter or the Chinese equivalent, Weibo -- except as a shadow that erases evidence of criticism.