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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 spacex's dragon vehicle returned

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to earth this week marking the end of

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the company's sixth resupply mission

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on thursday dragon was detached from the

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station by the canadian robotic arm and

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moved into position by ground

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controllers astronaut scott kelly then

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gave the command to release the ship to

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return over 3 100 pounds of experiment

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samples and hardware to earth after

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flying well away from the station dragon

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plunged through the earth's atmosphere

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for a splashdown in the pacific and

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making that return trip on dragon

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hundreds of thousands of tomato seeds

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soon to be in the hands of students

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around north america

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the canadian space agency's tomato

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sphere 3 experiment exposed 600 000

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seeds to the space environment

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now that they're back thousands of

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classrooms in canada and the us will get

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the chance to investigate any changes

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the space strip has had on how the

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plants grow something that could be

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important for future astronauts that

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grow food in space to learn more check

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out the project's website at

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tomatosphere.org

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this week our first grade friends with

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project discovery want to know who is

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the youngest person to visit the space

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station well the title of first ever

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first grader in space is still up for

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grabs as the youngest station visitor

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ever was a few years out of school by

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the time he went space flight

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participant mark shuttleworth from south

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africa was only 28 years old when he

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flew to the station back in 2002. he

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spent just under 10 days in space

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participating in experiments and even

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getting a chance to speak with nelson

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mandela

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make sure to keep sending your questions