So what if both the United States and the Soviet Union had taken Space exploration seriously since it first became viable? Furthermore, what if that interest had not waned since the end of the Cold War, and was now also pursued by China, India, and the EU?
What kind of progress do you think could have been made if the world spent, say, ten time as much as it did on its space programs IOTL for the last 50 years? How plausible would it be for any of the following to exist: A Space Elevator? A moon base? Mars landing or even a Mars base?