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and good morning discovery center good

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afternoon

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we're happy to be here with you this is

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al drew

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clay anderson

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dave williams and i'm barb morgan and we

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are ready for your first question

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welcome aboard the international space

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we have a quick message from idaho

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hi i'm sarah avery if you threw a

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that's a great question and

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we have a question for you that that

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made us think of is just if you have a

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if you could throw a baseball in space

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just how slow could you throw it we've

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got a lot of astronauts up here who love

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baseball and who are good at it so here

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we go

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clay anderson can you show us just how

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looks like clay could even play catch

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with himself

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of course you probably still want to

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know just how fast we can throw it so

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chloe what do you think

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i don't know he probably shouldn't throw

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it because if you threw it as fast as he

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could it would probably break something

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roberts when you were a kid did you ever

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and actually while we're waiting for

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clay to

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find the ping-pong balls to juggle let's

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hi i'm koset roberts when you're a kid

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did you ever think about becoming an

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how would you like to answer that

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only every day it's been an obsession of

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mine since i was about five and a half

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years old so

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hi i'm jordan hill what is it like when

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that's a great question as soon as you

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arrive in space after the main engines

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of the space shuttle stop you float

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forward in your feet your arms start

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rising up and it's this incredible sense

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of freedom as you're floating around in

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microgravity it's absolutely fantastic

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the first thing we'd like to do is go to

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the window and look outside at the earth

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and here you can see clay trying to

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next question

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i'm brooke thomas what types of exercise

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equipment and regimen are you using to

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okay clay why don't you tell us about

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that while you demonstrate what you're

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we have an exercise bicycle here

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among other things like a weight machine

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and a treadmill uh clay here is

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demonstrating how to use the bicycle to

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i want to know how a shuttle person

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exercises in space

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okay here's how i exercise al and dave

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you're my weight so let me let me let me

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there's lots of groaning going on here

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as barbara morgan lifts these uh two

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next question

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hi i'm andrew donalick if you had an

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what i would love to do is spend time

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with the growth chamber that we brought

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up for clay he's going to be growing

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some basil seeds clay where is that

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this is a growth chamber that barbara's

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talking about and what we're going to do

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is grow some basil seeds and some

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lettuce seeds and see how they do in

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space in zero gravity and hopefully i'm

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going to have a little bit of salad

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and we're really excited to show this to

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you because we need your help with this

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we need to figure out how we're going to

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feed our long-term explorers

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on the moon and on mars and so nasa

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actually has a design challenge for you

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because we would love for you to help us

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figure this out

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please ask your teachers about this and

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ask them to ask nasa so you can get

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involved

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hi my name is ashleena benson what do

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you have to do to prepare for a

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actually that's a great question a lot

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of the space walk depends on our

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strength so we do a lot of exercises and

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of course we train for all the tasks

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that we're going to be doing

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outside on the space walk and to do that

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on earth we actually have to go below

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the surface of the water at a training

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facility called the nbl a big swimming

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pool we rehearse all the various tasks

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that we're going to be doing outside of

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the space station it takes a lot of work

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hi i'm madison escarzika how does the

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of course as you understand that all the

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air we bring up with us is all the other

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we have there's no opening up a window

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to clean out the place if it gets smokey

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uh so we actually have to clean that

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cleans the air as we go along of course

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we breathe every day we put all kinds of

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carbon dioxide out into the atmosphere

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here so we use a scrubbing cans to bring

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it out something called lithium

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hydroxide uh very close to what we use

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to clean the drains on earth you can use

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that to take carbon dioxide out of the

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air

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and barbaria is going to bring out a

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we take a fan and we blow it through

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these different holes in this mesh here

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and it goes through the lithium

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hydroxide powder and lithium hydroxide

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binds with the carbon dioxide and lets

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the pure nitrogen and oxygen emerge so

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we don't poison our atmosphere

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of course we do carry a supply of oxygen

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frozen of liquid oxygen and tanks to

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replenish the atmosphere because even

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then even though our shuttle is airtight

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a small amount does leak overboard all

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the time so we want to maintain a

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certain amount of pressure so that we're

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hi i'm sarah bloom how does being a

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teacher relate with being an astronaut

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well astronauts and teachers actually do

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the same thing we discuss we explore we

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discover and we share

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and the great thing about being a

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teacher is you get to do that with

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students and the great thing about being

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an astronaut is you get to do it in

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space and both are absolutely wonderful

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hi i'm fallon henry could you

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we'd love to demonstrate that

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there's another way of doing things

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first there's a fun way of going about

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space of course there's no gravity so

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the water when it any drink when it

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comes out forms as a kind of a big blob

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that floats around amongst itself

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holds together under its own surface

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it will attach itself to things like

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hi my name is hunter frye what are your

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well we all we all answer that with

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short answers because we all have a

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variety of responsibilities

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my responsibilities are to uh for the

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robotic arm and a lot of the transfer we