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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 onboard the

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international space station i'm nicole

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claudia masters the station crew wrapped

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up a series of spacewalks this week to

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replace an ammonia pump that is part of

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a loop that helps cool down the

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station's electronics rick mastracchio

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and mike hopkins went outside to swap

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the pump with a spare that was located

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on a cargo pallet also this week two

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russian cosmonauts will go spacewalking

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oleg kotov and sergey ryazanskiy will

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install two cameras outside the russian

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segment that will provide earth

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observation views they'll also refresh

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some experiments on the hull of the

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space station

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did you know that some of the science

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and technology on board the station is

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leading to better farming and did you

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know it's also being used to provide

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clean drinking water to some of the most

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remote parts of the world

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to learn more about station technology

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being put to good use here on the ground

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check out the benefits for humanity

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video series celebrating the station's

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15th anniversary at nasa.gov station

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benefits

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keep your eye out for the station flying

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overhead this weekend it'll be passing

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over several cities and you can find out

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if you can see it above your hometown

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visit

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spottystation.nasa.gov it's usually the

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brightest object in the night sky

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besides the moon so you should be able

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to spot it easily

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have you ever wondered how astronauts

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exercise well they have to work out two

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hours each day to do that they use a

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treadmill a stationary bicycle and a

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weightlifting machine that uses

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resistance

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the trick is they have to strap

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themselves to each of these because

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there's no gravity to hold them down to

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see real astronaut workouts visit our

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train like and astronaut facebook page

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if you have a question or a comment you

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want to send to us use the hashtag

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spacetoground we'll be off next week but

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we'll see you again on friday january

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10th from all of us at nasa we hope you