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it's day one of nasa's three-day exhibit

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at this year's south by southwest

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festival in austin texas a great way for

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people to learn more about what comes

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after hubble so amber tell us a little

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bit about what this is and why did you

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guys come to this festival well this is

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the full-scale model of the james webb

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space telescope so this is a successor

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to hubble and we're building it um to

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answer those big science questions that

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hubble can't quite answer and we wanted

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to bring it here to austin because this

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is such a great festival and also

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because texas has a really big part in

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testing the james webb space telescope

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so in just a few years the telescope

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will go down to johnson space center in

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houston for a big test in the huge

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chamber a after checking out the

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full-scale model of the webb telescope

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you can walk towards nasa's huge tent

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but before you get there you walk by

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something that looks like an outdoor

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museum you can learn about what web is

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going to teach us when it's going to be

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ready for launch and just why sometimes

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it's being referred to as a real life

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transformer

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so once you're inside the tent there's

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all sorts of interesting things to see

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and do

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so what do you have here well this is

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the ball aerospace booth and we build

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all the mirrors for the james webb space

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telescope so we have models of each one

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of them and what's great is it allows us

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to see what's actually going on on the

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back side where we have to have motors

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to move the mirrors around to position

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them

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and you can also see how we take

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material out to make the mirrors light

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enough to launch so these are not

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actually the full scale model

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full scale is much larger

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but these give an accurate

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representation we also have an example

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here of the reflective gold coating that

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we put on the mirrors that's highly

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reflective in the infrared wavelengths

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where james webb operates so eileen

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what's going on over here so over here

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we have the infrared camera

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that is going to be on the james webb

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space telescope when it goes out in

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space in around 2018

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so i can show you how it works okay um

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here we have a bucket of cold ice water

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all right you stick your hand in there

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you have cocoa very cold yeah it is and

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then take it out okay and then show it

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on the screen here

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you are very dark and that is because

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you're very cold right there

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and it's sensing temperatures we can

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brighten you up here

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and hair is the best

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thing to use all right

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in here

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you're actually right there

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thanks

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on fire

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the infrared camera you can see through

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transparent objects so like this bag

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okay if you put your hand in here

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you're gonna be able to see through it

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what's happening on the telescope is

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when it goes out in space

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it's going to use this camera to see

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through dusty cloud formations right so

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that's what this black bag represents

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yeah exactly

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and it'll be able to see you know stars

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and planets and galaxy formations and

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stuff that you can't see in the visible

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light

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and if you want to find out more about

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astronomy and web you can sit in on one

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of the sessions at the nasa beer

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launching in october 2018.

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so can i get my picture taken absolutely

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all you have to do is have a seat and

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we'll take your picture and it'll print

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one two three

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all right i'll put some information

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about the james webb space telescope on

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i can take web home with me

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but before you call it a day make sure

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you stop by the special nasa booth at

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so what's going on over here we have a

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display here of a quarter size of the

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mirror if you stand on the feet okay and

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you look down and look into the various

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mirrors it'll give you an idea of how

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big

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the mirror actually is wow and how small

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i am and how small you are

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and it's a little easier to get the

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perception of how big the mirror is than

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looking at the full-scale model outside

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right because the mirror is way up in

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the sky it's a little hard to

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get that perspective get attached to our

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this special exhibit goes through sunday

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and is free to the public thanks for