There are lots of things most of us never contemplate when we fantasize about living in space: What happens to your arms when they don’t naturally fall at your sides? Do you keep your callouses when you aren’t walking? What’s it like to sleep in free fall?
U.S. astronaut Scott Kelly has set a new record for the most days spent in space by an American, marking October 16 as his 383rd day spent off Earth.
Our planet is truly gorgeous.