As far as the sounds on the space station, it's pumps, fans, motors, certain modules are louder than others, but it's generally a pretty nice working environment. It's not too loud or too smelly. Scott Kelly environmentfangenerally Change image and share on social
Leaving the space station was bittersweet - I had been there for a long time and looked forward to leaving, but it is a remarkable place. Scott Kelly bittersweetforwardleave Change image and share on social
Just like the bones and muscles, the heart is designed to work in one gravity here on Earth, so when you put the heart in space, it operates differently and changes shape. Scott Kelly bonedesigndifferently Change image and share on social
Your arms don't hang by your side in space like they do on Earth because there is no gravity. It feels awkward to have them floating in front of me. Scott Kelly armawkwardearth Change image and share on social
Something people don't recognize is that being on the space station is probably a lot like being in some kind of confinement - like isolation. Scott Kelly confinementisolationkind Change image and share on social
I'll never be done with space. I will always be involved. Scott Kelly involvespacewill Change image and share on social
If we're going to go farther from Earth, to Mars or somewhere else someday, we have to have a good understanding of the psychological impact on people. And not only psychologically, but how it affects their cognition. We're doing a lot of research on my cognitive abilities. Scott Kelly abilityaffectcognition share on social
Adjusting to space is easier than adjusting to Earth for me. Scott Kelly adjusteartheasy Change image and share on social
There's a lot of work to do - not only the science but maintaining the facilities up here. When you go down from a crew of six to a crew of three, obviously you've lost half of your crew time available, so it does have an impact. But it's an impact we plan for. Scott Kelly crowfacilityhalf share on social
There are parts of the Earth that are covered with pollution all the time. I saw weather that was unexpected. Storms bigger than we've seen in the past. This is a human effect. This is not a natural phenomenon. Scott Kelly bigcoverearth share on social