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houston station on space to ground

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welcome to space to ground your weekly

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look at what's happening on board the

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international space station i'm dan

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hewitt two crew members are halfway

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through their year in space

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scott kelly and mikhail kornigenko

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clocked in their 175 day in space on

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september 15th and as they enter the

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second half of their mission there are a

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number of important milestones on the

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horizon on october 16th kelly will pass

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nasa astronaut mike fink's mark of 382

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total days in space becoming the new

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american record holder then just under

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two weeks later kelly and kornienko will

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break the expedition 14 cruise record of

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215 straight days aboard the iss

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and they'll be raising the bar quite a

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bit by the time they come home on march

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3rd next year spending 342 consecutive

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days on the station

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of course it's all about the science and

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for the next six months the one year

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mission is heading into the unknown

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kelly and kononenko are serving as

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subjects and scientific experiments

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focusing on seven key areas of human

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research one of the most complex studies

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that's been taking place is called fluid

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shifts and it's looking to solve the

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troublesome issue of changes in

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astronaut vision while in microgravity

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all of the human research for the

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one-year mission is designed to prepare

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us for exploration way beyond our planet

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coupled with scott kelly's twin study

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the next six months are going to be

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packed with research for this

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record-setting duo

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if you aren't already be sure to follow

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scott kelly to watch the second half of

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his mission unfold you can follow at

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station commander kelly on twitter and

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instagram where he's been sharing

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hundreds of pictures and videos from his

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time in space

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and we partnered with the white house so

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you can send kelly and kononenko your

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best wishes as they continue this

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historic mission you can also head over

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to nasa.gov one year for all the latest

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news keep sending us your questions and