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"HOUSTON, STATION ON SPACE TO GROUND."

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WELCOME TO SPACE TO
GROUND, I'M GARY JORDAN.

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THE WORLD TOOK OUT
THEIR CAMERAS THIS WEEK

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TO JOIN THEIR STATION
CREWMEMBERS AS THEY TRAVELED

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OVER ONE WORLD IN ONE ORBIT.

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ASTRONAUTS AND COSMONAUTS CAMPED
OUT FOR A FULL 90 MINUTES,

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OR ONE COMPLETE JOURNEY AROUND
THE WORLD FOR THE STATION,

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TO PHOTOGRAPH THE
EARTH FROM ABOVE.

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THE STATION PASSED OVER CITIES
LIKE HOUSTON, MONTREAL, COLOGNE,

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AND DUBAI AS WELL AS MANY
MOUNTAINS, SEAS AND DESERTS.

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ALL OVER THE WORLD,
CITIZENS OF EARTH JUMPED

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IN TO SHARE THEIR PERSPECTIVE
OF THE PLANET FROM THE GROUND

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AS STATION CREWMEMBERS
SHARED THEIRS FROM SPACE.

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A PART OF NASA'S YEAR
OF EDUCATION ON STATION,

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STUDENTS FROM CITIES WHERE
THE STATION PASSED OVERHEAD,

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AND FRANKLY AROUND THE
GLOBE, WERE INVITED

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TO SHARE THEIR PHOTOS AND
SCHOOLS WITH THE ASTRONAUTS.

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STATION CREWMEMBERS GOT TOGETHER
DURING THEIR BUSY SCHEDULES

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FOR A SPECIAL CALL
FROM THE VATICAN.

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POPE FRANCIS CONNECTED WITH
THE EXPEDITION 53 ASTRONAUTS

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AND COSMONAUTS, GIVING
THEM KIND WORDS

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AND ASKING WHAT PERSPECTIVE
THEIR TIME

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IN SPACE HAS GIVEN THEM.

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"Holy Father, this is
a complex question.

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I remain rather perplexed.

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It is a moment that is...it
is a delicate discourse,

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because I think that
our objective here is

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that of knowing our...our
being, and to fill our knowledge

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to understand what's around us.

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But on the other hand,
an interesting thing is

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that the more we know, the more
we realize how little we know."

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VALERIE ON TWITTER ASKED
WHAT METHODS ARE USED

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TO GROW PLANTS IN SPACE.

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AS YOU CAN IMAGINE
IT'S PRETTY DIFFICULT,

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CONSIDERING PLANTS DON'T
NECESSARILY GROW UP

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OR DOWN IN MICROGRAVITY.

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BUT THERE ARE A FEW MORE TRICKS

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THAT SCIENTISTS HAVE
TO THINK ABOUT.

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THE VEGGIE SYSTEM ON
STATION HAS THE ABILITY

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TO GROW SALAD-TYPE CROPS
FOR ASTRONAUTS TO EAT.

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THE SYSTEM PROVIDES LED LIGHTS
AND A NUTRIENT DELIVERY SYSTEM

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FOR PLANTS THAT GROW IN
LITTLE PODS CALLED PILLOWS.

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ASTRONAUTS HAVE ALREADY GROWN

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AND EATEN OUTREDGEOUS
RED ROMAINE LETTUCE

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THAT GREW PRETTY NICELY.

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WE LEARNED THAT WE NEEDED

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TO MODIFY HOW THE PLANTS WERE
WATERED FOR FUTURE CROPS,

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SO CURRENTLY ON STATION, WE'RE
TESTING TOKYO BEKANA CABBAGE

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AND MIZUNA AS WELL AS
RED ROMAINE LETTUCE.

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SCIENTISTS ARE ALSO
MONITORING MICROBIAL LEVELS

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TO MAKE SURE THEY'LL BE SUPER
SAFE TO EAT, GIVING ASTRONAUTS

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ON STATION AND FUTURE
EXPLORERS SOME FRESH PRODUCE

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AS THEY TRAVEL THROUGH
THE COSMOS.

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KEEP SENDING US YOUR
QUESTIONS USING THE HASHTAG