>We haven't put anyone on the moon since 1972, for instance. As a percent of gross domestic product, NASA's budget has been slowly petering out since the late 1

>We haven't put anyone on the moon since 1972, for instance. As a percent of gross domestic product, NASA's budget has been slowly petering out since the late 1960s. It's quite possible that “there will only be a brief window of opportunity for space travel during which we will have the capability to establish colonies,” Gott wrote in 1993. “If we let that opportunity pass without taking advantage of it we will be doomed to remain on Earth where we will eventually go extinct.” So only the USA and only NASA can save all of humanity?