Here's what we know so far about astronaut Scott Kelly's "Year in Space" based on the Twitter questions he's gotten from earth: He can see his house from space, he bathes with a wet towel, and only one question has ever freaked him out.

Kelly is taking questions on Twitter from earthlings who tag their tweets with #YEARINSPACE.

We use a wet towel. It's amazing what you can get used to. https://t.co/YJnhDg8yss

— Scott Kelly (@StationCDRKelly) August 1, 2015

We use a wet towel. It's amazing what you can get used to. https://t.co/YJnhDg8yss

I can see my house (and @NASA_Johnson) from @Space_Station! #Houston #YearInSpace pic.twitter.com/OFh1wihvit

— Scott Kelly (@StationCDRKelly) April 14, 2015

I can see my house (and @NASA_Johnson) from @Space_Station! #Houston #YearInSpace pic.twitter.com/OFh1wihvit

Hey @StationCDRKelly, loving the photos. Do you ever look out the window and just freak out?

— President Obama (@POTUS) August 1, 2015

Hey @StationCDRKelly, loving the photos. Do you ever look out the window and just freak out?

I don't freak out about anything, Mr. President. Except getting a Twitter question from you. https://t.co/AT0nvUXkq4

— Scott Kelly (@StationCDRKelly) August 1, 2015

I don't freak out about anything, Mr. President. Except getting a Twitter question from you. https://t.co/AT0nvUXkq4

Kelly is spending a full year in space as commander of the International Space Station. You can ask him questions by including the hashtag #YEARINSPACE with your tweet, or follow the conversation on Twitter hashtag page.

(READ more at NBC ) – Photo: International Space Station, Twitter

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