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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 even though he's in space scott

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kelly is getting ready for flu season

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the one-year crew member gave himself a

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flu vaccine as part of a study on the

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human immune system in space scott's

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twin brother mark is receiving the

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vaccine down here on the ground allowing

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scientists to monitor their different

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reactions researchers are using the

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brothers to take an important step

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towards solving the issue of a weakened

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immune system while in microgravity

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something that could cause serious

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problems for astronauts on deep space

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missions

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and it was movie night on the space

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station over the weekend the expedition

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45 crew got a sneak preview of what a

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trip to mars might look like with the

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space premiere of the new film the

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martian with a real trip to the red

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planet in our not too distant future

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it's important to test out all of the

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necessary systems head over to nasa.gov

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iss science to learn more including the

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top 10 ways the station is helping us

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get to mars

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this week's question is for scott kelly

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and it comes from his fellow astronaut

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dr chris beck well it comes from actor

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sebastian stan who plays dr chris beck

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in the martian scott you're spending a

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whole year in space what's one thing you

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would change about the space station if

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you had to spend almost three years on

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it on a trip to mars

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well if i could change one thing it'd be

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that's pretty easy it'd be uh the

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radiation uh shielding we have you know

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this space station is pretty capable

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pretty incredible place and uh has a lot

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of the capability you need to go to mars

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but that's that's one thing we need more

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of because here we get a you know get

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the protection of the earth and the

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magnetic field of the earth

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well that's it for this week keep

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sending us your questions and comments