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houston station on space to ground

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three million photos and counting

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welcome to space to ground i'm dan

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hewitt photography on the space station

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crossed an unbelievable milestone this

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week since the first expedition arrived

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more than 15 years ago crew members have

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now taken over three million images on

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board the international space station

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these include shots of science thousands

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of maintenance photos for engineers on

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the ground views of life on board and

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tons of our beautiful planet the

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expedition 47 crew marked the occasion

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with this group shot inside the russian

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service module

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a lot of science is set to return on

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spacex's dragon next week and one small

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module shows just how diverse the fields

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of study can be

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the nanoracks 51 module was prepared for

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return this week and it contains four

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very unique projects housed inside is an

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investigation studying antibiotic use to

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inhibit staphylococcus aureus bacteria a

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common cause of skin infections another

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study looking at the rate at which yeast

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decomposes organic matter a plant growth

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study looking at whether

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steroid-enhanced plants grow better in

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space and even whether an enzyme derived

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from fireflies can cause bioluminescence

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in microgravity

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this week stanley wants to know what the

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schedule is like on board iss how much

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time per day is spent conducting

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experiments well one of the aspects of

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life in space astronauts like most is

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that every day is always different

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the crew schedule is roughly split into

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three categories science maintenance and

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daily life so a normal day is about four

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hours of research four hours of

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operational duties and four hours of

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eating exercising and more that balance

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is always shifting though as some

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science experiments can consume a crew

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member's entire day or if something

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critical breaks the astronauts go into

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serious repair mode and as we saw last

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week the crew was buried under an

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avalanche of cargo as they packed dragon

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to get it ready to leave

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keep sending us your questions using the