Space, Climate Change, and the Real Meaning of Theory – The New Yorker

Space, Climate Change, and the Real Meaning of Theory – The New Yorker

I used to be an astronaut, a spacewalker on the International Space Station. Naturally, most of my fifteen-year crew career was spent on the ground, working with engineers to get the Station built and fully crewed for scientific research, but the day-in, day-out flow of this ground work was punctuated by the occasional illuminating, even eye-shattering experience, when I was launched into orbit and saw Earth through my spacesuit visor.