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"HOUSTON, STATION ON SPACE TO GROUND."

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WELCOME TO SPACE TO GROUND, I’M KATHRYN
CLAYTON.

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THERES MORE SCIENCE TO GET EXCITED ABOUT WITH

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THE ARRIVAL OF THE NEW SPACE-X CARGO DRAGON.

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ON SUNDAY SPACEX LAUNCHED THEIR

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COMMERCIAL RESUPPLY SERVICES MISSION-21

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TO THE INTERNATIONAL SPACE STATION

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FROM KENNEDY SPACE CENTER IN FLORIDA.

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THE UPGRADED CARGO DRAGON DELIVERED

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MORE THAT 6,400 POUNDS OF RESEARCH,

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CREW SUPPLIES AND HARDWARE.

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THE AUTONOMOUS DOCKING WAS A FIRST

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FOR THE CARGO DRAGON

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AND WAS MONITORED BY ASTRONAUTS

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KATE RUBINS AND VICTOR GLOVER

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ABOARD THE STATION.

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THE CARGO DRAGON WILL JOIN

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THE DRAGON RESILIENCE

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THAT DELVERED THE CREW-1 ASTRONAUTS

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TO THE STATION LAST MONTH,

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MARKING THE FIRST TIME

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THERE ARE TWO DRAGON SPACECRAFTS

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DOCKED TO THE STATION SIMULTANEOUSLY.

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THE CARGO DRAGON WILL SPEND APPROXIMATELY

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ONE MONTH ATTACHED TO THE SPACE STATION

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BEFORE RETURNING TO EARTH WITH CARGO AND RESEARCH.

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CRS-21 DELIVERED EXCITING SCIENCE INVESTIGATIONS

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THAT WILL HELP US UNDERSTAND

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THE HUMAN BODY AND HOW WE ADAPT

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TO DIFFERENT ENVIRONMENTS.

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THE EFFECT OF MICROGRAVITY

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ON HUMAN BRAIN ORGANOIDS WILL OBSERVE

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THE RESPONSE OF BRAIN ORGANOIDS TO MICROGRAVITY.

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BRAIN ORGANOIDS ARE SMALL LIVING MASSES OF
CELLS

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THAT INTERACT, GROW AND CAN SURVIVE FOR MONTHS.

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THEY HELP US UNDERSTAND HOW

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LARGER SYSTEMS REACT TO CHANGES

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IN THE ENVIRONMENT.

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THE INVESTIGATION WILL EXPOSE

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THE ORGANIODS TO MICROGRAVITY

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FOR THREE WEEKS IN THE SPACE TANGO TANGOLAB.

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NASA IS ALWAYS PREPARING

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FOR FURTHER EXPLORATION

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AND TWO INVESTIGATIONS DELIVERED

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ON CRS-21 WILL MAKE THAT EXPLORATION POSSIBLE.

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THE BIOASTEROID INVESTIGATION

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WILL STUDY THE PROCESS OF HOW

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MICROBES FORM LAYERS ON THE SURFACE

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OF ASTEROIDAL MATERIAL AND HOW

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THE MICROBES ALTER THE RELEASE

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OF ELEMENTS FROM THE ROCKS.

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BIOASTEROID WILL ALSO STUDY BIOFILM FORMATION

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AND ELEMENTAL RELEASE IN MICROGRAVITY

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TO INVESTIGATE HOW SPACE CONDITIONS

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UTIMATELY AFFECT MICROBE AND MINERAL INTERACTIONS
IN SPACE.

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DEEP SPACE EXPLORATION

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WILL REQUIRE HUMAN SPACE HABITATS

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AND THE BRAZING OF ALUMINUM ALLOYS IN SPACE,

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OR SUBSA BRAINS, WILL EXAMINE A POTENTIAL TOOL

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FOR THE CONSTRUCTION OF HUMAN SPACE HABITATS.

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LIQUID METAL FORMED DURING

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A PROCESS CALLED BRAZING BONDS MATERIALS

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AT TEMPERATURES ABOVE 450 DEGREES CELSIUS.

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THE RESULTS OF THIS INVESTIGATION

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COULD ENABLE BRAZING IN SPACE STRUCTURES AND
REPAIRS.

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KEEP SENDING IN YOUR QUESTIONS