840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjItMDQvNTNlNTZlOWMtYzdkZi00MWM2LTk0ZmEtOTE4OTEzZWU5MWYyLmpwZw3D3D Continue Reading Previous NFTs offer astronauts ‘new outlet’ to share experiences, says spaceman Scott Kelly