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HOUSTON, STATION ON SPACE
TO GROUND EVEN WHEN WE'RE

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UP IN SPACE, WE'RE STILL
THINKING ABOUT EARTH.

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WELCOME TO SPACE TO
GROUND, I'M HAYLEY FICK.

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THE SAGE-III EXPERIMENT MEASURES
THE EARTH'S SUNSCREEN, OR OZONE,

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WHICH IS IMPORTANT TO
PROTECTING LIFE ON OUR PLANET.

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SAGE III WAS ROBOTICALLY
INSTALLED ON THE OUTSIDE

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OF THE SPACE STATION THIS WEEK.

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SAGE MAKES ITS MEASUREMENTS BY
LOCKING ONTO THE SUN OR MOON

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AND SCANNING THE LIMB, OR THIN
PROFILE OF THE ATMOSPHERE,

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FROM THE UNIQUE VANTAGE
POINT OF THE SPACE STATION.

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VISITING VEHICLES BRING
IMPORTANT SCIENCE,

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BUT IT USUALLY MEANS
MORE WORK FOR THE CREW.

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THOMAS PESQUET TWEETED
ABOUT HOW THE CREW TAKES

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ON ADDITIONAL WORK
TO UNLOAD THE CARGO,

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BUT THE WORK STARTS EVEN
BEFORE THE VEHICLES ARRIVE.

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CURRENTLY, THE CREW
HAS TO REMOVE

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AND REINSTALL CONTROL
PANEL ASSEMBLYS, OR CPAS,

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WHICH CONTROL THE BOLTING AND
UNBOLTING OF VISITING VEHICLES

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TO DESIGNATED PORTS

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ON THE STATION EVERY
TIME ONE COME AND GOES.

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THE CREW SPENT TIME THIS
WEEK TESTING A NEW CONCEPT

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THAT WOULD ALLOW THEM TO SIMPLY
FOLD THE CPAS OUT OF THE WAY

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WITHOUT CAUSING ANY
INTERFERENCE ISSUES.

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OUR TWITTER QUESTION THIS WEEK
COMES FROM YVETTE WHEELER.

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YVETTE WANTED TO KNOW WHICH FOOD
ASTRONAUTS MISS THE MOST WHILE

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IN SPACE.

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LUCKILY THE ASTRONAUTS
ARE ON SOCIAL MEDIA

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TO TELL US FOR THEMSELVES!

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SCIENCE IS NOT THE ONLY
THING CARGO VEHICLES DELIVER.

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SHANE KIMBROUGH TWEETED THIS
WEEK THAT HE WAS EXCITED

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TO ENJOY FRESH FRUIT DELIVERED
BY THE SPACEX DRAGON VEHICLE.

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WE'RE WORKING ON TECHNIQUES
TO GROW FOOD IN SPACE

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SO WE CAN HAVE FRESH
FRUITS AND VEGETBALES

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ON LONG DURATION MISSIONS
TO PLACES LIKE MARS.

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IN FACT, THE CREW
WORKED ON AN EXPERIMENT

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WITH CORN SEEDLINGS THIS WEEK
THAT STUDIES HOW THE TRANSPORT

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OF AUXIN, A HORMONE THAT
PLAYS A ROLE IN PLANT GROWTH

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AND DEVELOPMENT, IS
AFFECTED BY MICROGRAVITY.

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FRESH FOODS ARE IMPORTANT, BUT
A SPECIAL TREAT IS A SWEET WAY

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TO BE REMINDED OF HOME
EVERY ONCE IN A WHILE TOO!

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THE SPACEX CARGO VEHICLE
DELIVERED MACARON COOKIES

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FOR FRENCH ASTRONAUT
THOMAS PESQUET'S BIRTHDAY!

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KEEP SENDING YOUR QUESTIONS
USING THE HASHTAG SPACE