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station this is houston are you ready

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houston

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stations ready for the event

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google plus moderator this is mission

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control houston please call station for

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a voice check

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station this is the google plus hangout

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google plus hangout international space

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station we have you loud and clear

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aboard we have our own way of hanging

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out up here and watch my buddies hang

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out we're ready to hang out with you

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awesome we have a lot of questions for

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you guys today so let's start the first

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one from youtube

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i'm kristen lauth i'm ray arabi and

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we're from union high school in iowa our

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question is what is the exact purpose of

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having humans live on the space station

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well the whole point of having a space

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station is to have some place in space

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where people can take their ideas we

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have a huge

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power supply up here we have a lot of

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rack space and we have a lot of

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scientists on the ground with a lot of

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ideas about things to do in space we

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have literally hundreds of experiments

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going on right now as we're working up

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here and the space station really offers

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a lot of flexibility to us that you

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wouldn't have if you wanted to put an

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experiment in space and you didn't have

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a space station i don't know where you'd

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put it right next to us as a rack

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yesterday we took an experiment out of

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it called in space which is looking at

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special magnetic fluids that can change

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uh the the way we

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have

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really changed the operation of braking

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systems and maybe have applications to

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seismic dampers and stuff or earthquake

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zones many many many good offsets from

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that particular experiment and we

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finished it out yesterday and

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we're going to put in a new experiment

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next week that's coming up on dragon and

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it'll look at a completely different

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kind of thing it'll look at the way

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metals form in zero gravity and it's

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very important for us to look at the way

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the crystals form because it can make

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things very much stronger and so these

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are things that can only be done in zero

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gravity and we have no lack of ideas of

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things to do up here and we're here to

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thanks we're going to take our next

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question from youtube it's simon drubel

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who asks do you sometimes see falling

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stars in the atmosphere from the space

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station or is it frequent or do you see

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stuff like satellites in orbit thank you

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as a matter of fact shooting stars we do

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see there's one big difference they're

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below us instead of above us so when

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we're looking down at the earth we can

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see a little shooting star usually you

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don't see much movement other than the

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earth slowly going by you

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and so when it really catches your eye

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when you see a shooting star is a lot of

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movement there in the atmosphere it's

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very beautiful

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we don't see other satellites

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typically because

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we're all going very fast 17 500 miles

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an hour and if one's in an orbit near

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ours and dip

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slightly different orbital plane we pass

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by each other very quickly i've heard

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some astronauts have seen some go by but

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it's a very rare event great question

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all right thank you why don't we take

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the next question on youtube

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i'm destined from huntsville alabama

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this is sadie and spotsy on the

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international space station if you're

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free falling in one position without

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touching anything with no spin is it

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possible to wiggle in such a way that

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you're able to rotate to a different

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angular position and then stop on

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smarter every day we demonstrated this

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with a high-speed camera and a cat who

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is a non-holonomic system and can do

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this by extending his legs arching his

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back and twisting in a very specific

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pattern so can humans do this on orbit

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you want to say hey to the astronauts

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hey

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okay well that's a great question uh we

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don't have any cats on board but we have

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a medical doctor who maybe can try to

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demonstrate that yeah next best thing to

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a cat so he's going to try to

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demonstrate for you yes indeed you can

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you can do this so he's going to get out

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here and stop himself in an open space

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and he's going to show you how he can

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turn himself around

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so he uh he can't change his angular

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momentum but he can change his body

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position and move himself to an ore

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orientation so i hope you believe that

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what you saw happen with the cat isn't a

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mystery and that it can happen in space

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thanks here's kind of timely question

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from facebook ian beckham asks what was

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the first emotional reaction of the crew

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when they realized a few days ago that

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the s-band com was lost and they weren't

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able to talk to the ground anymore just

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over russian ground sites are there any

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procedures to keep calm in those

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situations or does training experience

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we uh trained individually as astronauts

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for many many years and we've trained

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together as a crew for several years as

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well

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so

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things to happen

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what happened just a couple days ago was

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really not not that big a deal we lost

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communications with the ground but

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the space station is is a robust tough

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spaceship and it kept just going around

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the world and all of its systems running

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just fine

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we worked together as a crew

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following the procedures like we trained

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to do it was actually pretty nice

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i was sitting there typing on the main

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interface tom was running the procedures

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with me and kevin as the commander was

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staying back watching how the whole

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thing was flowing and making sure that

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we were headed down the right path

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uh the people on the ground were

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scrambling and working hard and it

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wasn't until we came around the world

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and up and over top of russia where we

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can talk directly from an antenna on the

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ground to our antennas on board that

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then we could compare notes see where we

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were and eventually we got everything

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together and after just a couple orbits

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we got the computers talking to the

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antennas properly so we could talk to

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the ground so it wasn't any sort of

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panic or anything it was just uh us

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dealing with a problem on the ground in

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our crew dealing with a problem on board

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working like we've been trained working

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together as a team with a successful

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result it was uh things that happened in

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thank you why don't we take our next

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question on youtube

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hi my name is neil bramson i'm a teacher

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at new south wales australia my students

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have been following the expedition 34

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crew progress on twitter facebook and

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google plus now and my question relates

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to social media how do you feel as

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astronauts now that your communication

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methods have changed through the use of

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the likes of twitter and facebook and

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the impact that you now have on the

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global public in terms of space and

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space education secondly how do you feel

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i i don't think anybody

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tries to use technology to push back the

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edge of the human experience more than

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we do i mean look where we live and what

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we're doing how we're making this happen

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and so we constantly try and take

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something simple uh but then apply it in

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a new way

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and and allow it to improve our

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understanding uh really as a species

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and we are for the first time in history

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with this space station as a planet as a

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species we're leaving earth and it is

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just it's too good an experience not to

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share and with technology that we have

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now

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with the communications capability that

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nasa and others have put on board here

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we can real time communicate as people

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with with pretty much everybody on earth

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who has who has a computer or an iphone

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or something and so with twitter which

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is a really handy way to do that we can

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take a picture or have a thought here on

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board and just in a matter of a few

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minutes get it down to the ground and

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spread around the world

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that's wonderful for viewing things like

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the big tropical cyclone that's off

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madagascar right now uh it's a great way

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to communicate

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the transient emotions and the thoughts

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that that go through us as as we are

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experiencing this really on behalf of

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everybody and as far as being a media

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star i mean

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this is just a really rare human

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experience and we've worked hard to get

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here but at the same time we know just

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how lucky we are to be here and i think

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it's important to try and share it with

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as many people as possible

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but something else to remember everybody

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around the world if you just choose the

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right time of day you can look up and

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watch this star go over as well and

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that's a pretty nice touch back and

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thanks i'll take another one from social

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media

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i'm not sure if you guys have thought

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about this or not but it's something i

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don't think i've heard asked before it's

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on twitter at nozzlebar asks which

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scientist of the past would you like to

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well

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for me it just popped right into my head

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isaac newton because we see what he

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could only imagine we see it every day

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in everything we do

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large objects that we can move with a

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push of a finger although it takes a

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little bit of time to get them going

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small objects that bounce around very

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quickly uh the angular momentum

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demonstration you just saw all of these

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things it's it's really hard to believe

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that he was able to imagine these things

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and uh i would love for him to be able

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why don't we take another question on

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youtube

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hi my name is jennifer gates and i'm a

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high school science teacher in the

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midwest of the united states mostly

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teaching chemistry and physics and my

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question for you is what's the most

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important thing that they should be

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learning and focusing on understanding

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at this time in terms of perhaps working

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in science later

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or what do you feel like the most

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important thing was that you took from

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your high school science courses to help

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well that's a great question i wish i

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could have taken everything in high

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school uh twice actually because there's

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so much

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information there for students at that

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time and and i know that's a really

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really tough time in their lives and

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everything and there is it is almost

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overwhelming all the subjects that are

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offered to you and the choices that are

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offered to you at that time i i loved

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math and i love physics and i happen to

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have a very enthusiastic physics teacher

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who just made me i just couldn't wait to

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go to class every day and

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we talked about things like you know

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newton's laws and that sort of thing and

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and like tom just mentioned we get to

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see a seam up here in action and and in

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their advanced phases and stages as well

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like in orbital mechanics and those

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sorts of things so that's the one that

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really piqued my interest but we um we

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have a life support system on board

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that's very chemistry intensive and we

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we talk chemistry almost every day we

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use the mathematics every day uh it's

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very important in mission control too

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for the people who support us uh

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trajectories to get up i'm going back to

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earth in about three weeks and there are

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some brilliant mathematicians working on

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putting me in a very small spot in

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kazakhstan so there are people working

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uh waiting there for me and they're

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doing calculus and they're running it

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backwards so that they can integrate all

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the way back to the ground and get me to

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the right place on the ground so it's a

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lot of complicated science uh to to make

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this all work there's a medical you can

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see chris has got a special thing on his

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head today the medical science is very

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important to us to what we're doing on

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space station and no matter what you

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like what your field is you can find an

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area and and that that applies to space

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flight for sure so um just take all of

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them that you can and learn as much as

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you can about all of them you'll

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probably need them all if you're going

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to end up in the space business and you

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might need them all in almost any any

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business you end up in so

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why don't we take another question on

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youtube

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my name is fraser kane and i live on

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vancouver island canada and my question

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is for chris hadfield who's been

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delivering all these beautiful

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photographs from space and my question

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is how does being on the international

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space station change your photography

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technique with the microgravity the very

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harsh exposures the very distant objects

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that you're trying to focus on and

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perhaps the low light conditions

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hey thanks fraser and i used to live on

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vancouver island as well it's a

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beautiful part of the world nice part of

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canada

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taking pictures up here

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especially outside is quite complex at

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first

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we fortunately we have really good

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instructors down on earth some really

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good trainers who taught us prepared us

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gave us a lot of good tricks

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the the weird part about it is

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space is so incredibly black so

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incredibly dark

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it's a bottomless pit of deep black

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almost

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look at it and and when you have that in

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part of your picture and then the world

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reflecting the sunlight especially the

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tops of clouds somewhere else it's very

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difficult at least

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for people who aren't professional

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photographers to try and balance that

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and get a picture that that looks good

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both ways and the advantage of being in

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space though of course we have cameras

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with fairly typical lenses on them but

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we can get right out to 400 or 800

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millimeter lenses and they're weightless

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we don't need a tripod so every

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photographer in the world would love to

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have that much glass out in front of

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their eyes and and not have to hold it

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up or not have to balance it

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the the best part is um even though

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we're not photographers by by trade of

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course we have some really good

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professional photographers who train us

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and we have a

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vantage point up here perspective that

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is absolutely unparalleled so we do our

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thanks yeah i'm not sure there's a bad

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shot of earth from space station uh the

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next question from social media is on

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google plus it's from hippienesswins and

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the question is uh marshburn ford

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hadfield good morning and uh what is

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well what he has on his forehead is

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actually a temperature probe so it's

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two things being investigated here

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number one is the technology it's really

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nice to be able to measure body core

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temperature without having to get too

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invasive

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and so uh what that's doing is he's got

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another one on his chest and it's

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measuring his core temperature the

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reason why they're doing that is your

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body temperature the core temperature is

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a good indicator of how your body's

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cycle is moving your circadian rhythm we

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don't have sun

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sun rises and sunsets uh

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coming through the window like you do on

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earth we have 16 a day actually so it

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can really mess up your circadian rhythm

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so they're learning a lot about how our

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body functions

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uh through this kind of uh

399
00:14:53,829 --> 00:14:52,320
time cycle that's very strange and it

400
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has a lot of implications for people

401
00:14:57,670 --> 00:14:55,680
that do night shifts and that work

402
00:14:59,910 --> 00:14:57,680
extremely long hours and for astronauts

403
00:15:02,069 --> 00:14:59,920
living and living in space how we can

404
00:15:05,350 --> 00:15:02,079
improve work efficiency and improve rest

405
00:15:10,310 --> 00:15:06,710
great let's take another question from

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my name is mira richmond i live in

407
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bolivar missouri i am in second grade

408
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and i am eight

409
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the other night at desk i saw you guys

410
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fly over my house how long do you guys

411
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stay up there in the space station

412
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how who has the record for the longest

413
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for staying up there the longest thank

414
00:15:37,910 --> 00:15:30,000
you

415
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hopefully one of us was waving back at

416
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you

417
00:15:42,790 --> 00:15:41,279
we can stay up here about six months and

418
00:15:44,310 --> 00:15:42,800
that's actually a limitation of our

419
00:15:46,629 --> 00:15:44,320
spaceship that gets us here and brings

420
00:15:48,629 --> 00:15:46,639
us back home again it's certified to be

421
00:15:51,430 --> 00:15:48,639
up here in space for about six months

422
00:15:53,509 --> 00:15:51,440
humans can stay up longer the longest is

423
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a dr polyakov he's a cosmonaut and he

424
00:15:57,990 --> 00:15:55,920
lived on the mir space station for 14

425
00:15:59,990 --> 00:15:58,000
months actually so

426
00:16:02,389 --> 00:16:00,000
and we're going to have a few astronauts

427
00:16:04,790 --> 00:16:02,399
and a cosmonaut living up here

428
00:16:06,069 --> 00:16:04,800
for up to a year here in the next couple

429
00:16:07,910 --> 00:16:06,079
of years or so

430
00:16:09,910 --> 00:16:07,920
so right now as far as we can tell

431
00:16:11,829 --> 00:16:09,920
there's no limit how long humans can

432
00:16:14,069 --> 00:16:11,839
stay up here as long as

433
00:16:15,749 --> 00:16:14,079
uh we have the machines here to keep our

434
00:16:17,990 --> 00:16:15,759
bones and our muscles strong and have

435
00:16:20,310 --> 00:16:18,000
enough food and water and such and a lot

436
00:16:22,069 --> 00:16:20,320
of great work to do such as we're doing

437
00:16:24,310 --> 00:16:22,079
here right now and of course the view of

438
00:16:27,590 --> 00:16:24,320
the earth helps us stay up here

439
00:16:30,470 --> 00:16:29,189
great what's another question from

440
00:16:32,470 --> 00:16:30,480
social media this is from facebook

441
00:16:33,990 --> 00:16:32,480
sheila avrabush asks uh what was the

442
00:16:35,430 --> 00:16:34,000
most influential book you read that

443
00:16:41,910 --> 00:16:35,440
helped you help inspire you to go to

444
00:16:46,870 --> 00:16:45,030
well i actually was inspired to pursue

445
00:16:48,949 --> 00:16:46,880
becoming an astronaut because of a book

446
00:16:51,110 --> 00:16:48,959
i read when i was about 13 or 14 years

447
00:16:53,350 --> 00:16:51,120
old by an astronaut named michael

448
00:16:54,310 --> 00:16:53,360
collins who was part of the apollo 11

449
00:16:55,350 --> 00:16:54,320
crew

450
00:17:00,470 --> 00:16:55,360
and

451
00:17:03,910 --> 00:17:00,480
was a fantastic account of of his early

452
00:17:06,549 --> 00:17:03,920
life as a pilot and test pilot and i

453
00:17:08,470 --> 00:17:06,559
just really fell in love with uh

454
00:17:11,510 --> 00:17:08,480
with that profession because of that

455
00:17:13,189 --> 00:17:11,520
book and of course uh what he did uh was

456
00:17:14,870 --> 00:17:13,199
one of the most magical things that's

457
00:17:17,189 --> 00:17:14,880
happened in the course of human history

458
00:17:19,270 --> 00:17:17,199
as far as i'm concerned with the trip he

459
00:17:21,510 --> 00:17:19,280
took to the moon with neil armstrong and

460
00:17:23,829 --> 00:17:21,520
buzz aldrin so that's what inspired me

461
00:17:25,990 --> 00:17:23,839
that particular book after that i read

462
00:17:27,750 --> 00:17:26,000
lots and lots more that just inspired me

463
00:17:30,549 --> 00:17:27,760
further but that was really the one that

464
00:17:33,029 --> 00:17:31,909
great answer why don't we take another

465
00:17:34,549 --> 00:17:33,039
question from youtube we have a couple

466
00:17:37,110 --> 00:17:34,559
more minutes before this portion of the

467
00:17:39,190 --> 00:17:37,120
event concludes

468
00:17:41,350 --> 00:17:39,200
hello astronauts of the international

469
00:17:43,510 --> 00:17:41,360
space station my name is carolina

470
00:17:46,150 --> 00:17:43,520
morales and i'm a student of the neil

471
00:17:48,230 --> 00:17:46,160
armstrong institute in monterey mexico

472
00:17:50,390 --> 00:17:48,240
on behalf of my classmates we would like

473
00:17:52,390 --> 00:17:50,400
to ask you the following questions

474
00:17:54,870 --> 00:17:52,400
how are you prepared to face medical

475
00:17:56,870 --> 00:17:54,880
emergencies in the space station

476
00:17:58,950 --> 00:17:56,880
how do you treat regular sickness and

477
00:18:07,190 --> 00:17:58,960
what do you do in case you need surgical

478
00:18:11,830 --> 00:18:08,070
so

479
00:18:13,990 --> 00:18:11,840
emergencies up here medical emergencies

480
00:18:16,630 --> 00:18:14,000
first of all we always have two crew

481
00:18:18,630 --> 00:18:16,640
medical officers on board i could have

482
00:18:20,310 --> 00:18:18,640
any background but they're trained to

483
00:18:22,470 --> 00:18:20,320
apply first aid or take care of

484
00:18:24,789 --> 00:18:22,480
emergencies that can keep somebody alive

485
00:18:26,870 --> 00:18:24,799
for up to 24 hours i happen to be a

486
00:18:28,789 --> 00:18:26,880
doctor but there's no requirement to

487
00:18:30,870 --> 00:18:28,799
have a doctor up here all the time but

488
00:18:32,950 --> 00:18:30,880
right under our feet here are some

489
00:18:35,110 --> 00:18:32,960
medical kits and they are packed full of

490
00:18:38,150 --> 00:18:35,120
everything you need from say an aspirin

491
00:18:41,110 --> 00:18:38,160
to an iv if you got really sick

492
00:18:43,430 --> 00:18:41,120
the big answer though is if we ran into

493
00:18:44,870 --> 00:18:43,440
a big problem that's a defibrillator we

494
00:18:46,230 --> 00:18:44,880
hope we never have to actually use that

495
00:18:48,789 --> 00:18:46,240
but we know how to use it that's the

496
00:18:50,710 --> 00:18:48,799
emergency kick the the big red kit

497
00:18:52,950 --> 00:18:50,720
the big answer though is our soyuz is

498
00:18:55,350 --> 00:18:52,960
our ambulance and we would hop into

499
00:18:57,110 --> 00:18:55,360
soyuz and bring somebody home if we

500
00:18:59,350 --> 00:18:57,120
thought that they were going to be

501
00:19:01,669 --> 00:18:59,360
have a real big problem or even die from

502
00:19:03,350 --> 00:19:01,679
a medical problem up here

503
00:19:04,950 --> 00:19:03,360
not to mention all the doctors on the

504
00:19:06,630 --> 00:19:04,960
ground who have not only been preparing

505
00:19:08,710 --> 00:19:06,640
us for preparing this equipment and the

506
00:19:10,470 --> 00:19:08,720
procedures and the techniques but also

507
00:19:12,630 --> 00:19:10,480
would be giving us advice real time if

508
00:19:14,470 --> 00:19:12,640
something happened space motion sickness

509
00:19:15,909 --> 00:19:14,480
is really common about three out of five

510
00:19:17,669 --> 00:19:15,919
astronauts get it we've got some

511
00:19:21,430 --> 00:19:17,679
medicines to take care of that so it's

512
00:19:24,710 --> 00:19:23,430
thank you that concludes our portion we

513
00:19:26,710 --> 00:19:24,720
really appreciate you guys from joining

514
00:19:28,470 --> 00:19:26,720
us on international space station please

515
00:19:36,789 --> 00:19:28,480
please stay with us for more questions

516
00:19:43,110 --> 00:19:39,270
station this is houston acr thank you

517
00:19:47,190 --> 00:19:44,710
thank you google plus hangout

518
00:19:48,150 --> 00:19:47,200
participants and nasa social media

519
00:19:50,470 --> 00:19:48,160
guests