Source: Blue Origin/Reuters Leaving aside the debates of what defines “space” and “astronaut,” there can be no denying that we are living in a golden age of (very) high-altitude activities. The news coming weekly in rapid fire fashion detailing the exploits of Virgin Galactic, Blue Origin, and SpaceX (among others) has made what seemed impossible just a decade ago seem, at first, possible, and now, probable. Trips back to the moon, paying passengers in spacecraft, reusable ha