Sleeping here is harder here in space than on a bed because the sleep position here is the same position throughout the day. You don't ever get that sense of gratifying relaxation here that you do on Earth after a long day at work. Scott Kelly beddayearth share on social
We're fortunate to have football on the space station. Scott Kelly footballfortunatespace Change image and share on social
Flying in space is a privilege, whether it's the first time or the fourth time. Scott Kelly flyfourthprivilege Change image and share on social
I personally think going to Mars, if it takes two years or two and a half years, that's doable. Certainly, the first people who go there, that's going to be a big motivator, being first getting to Mars. Scott Kelly bigdoablehalf share on social
When we do things that are really hard, we can achieve great things - and that has worked as a great model for me. Scott Kelly achievegreathard Change image and share on social
I'm actually thinking about maybe, on a spacewalk, not wearing my glasses. I normally wear those both for reading and a little bit of a distance correction, but the distance vision seems like it's gotten a little bit better. So I might go without. Scott Kelly bitecorrectiondistance share on social
I would always consider flying in space again, without a question. Scott Kelly flyquestionspace Change image and share on social
Space has its own unique smell. So whenever a vehicle docks, or if guys are out doing a spacewalk, the smell of space when you open up the hatch is very distinct. It's kind of like a burning-metal smell, if you can imagine what that would smell like. Scott Kelly burndistinctdock share on social
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
A lot of the data we collect is stuff that has to be analyzed on the ground. For instance, we can't see, you know, bone loss. Our cells, you know, that's something that we'll have to notice with imaging technology when I get back. Scott Kelly analyzebackbone share on social