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you are once again looking at a live

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view of the space telescope operations

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control center at nasa's goddard space

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flight center in greenbelt maryland

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the fifth of the five planned spacewalks

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for the sts-125 mission was completed

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earlier today with astronauts john

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grunsfeld and drew feustel performing a

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trio of task designed to extend hubble's

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operating life

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we spoke with mission operations manager

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keith wallis after his team had

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concluded their shift to get his

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reaction to both today's activities as

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well as the upcoming big event on

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tuesday morning when the shuttle crew

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will say goodbye to the telescope for

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so today was our flight day eight it was

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our eva 5 the final spacewalk of the

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mission so we had a couple things we

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still had accomplished we had to put in

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our new batteries we put in the first

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three batteries early in the mission and

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now we had three more to go and again

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these are replacing batteries that are

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19 years old so they've been running

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down

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they've been working fine but they're 19

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year old batteries so you want new ones

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in we had to get that test accomplished

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we also had one of our fine guidance

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sensors and this gives us the incredible

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pointing capability now these aren't

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small cameras these are about the size

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of a grand piano weigh about 900 pounds

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so we have that task and there's one

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task we didn't get done yesterday we

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need to put these layers this

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metal layer stainless steel layer on the

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outside the telescope because space is a

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very

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damaging environment and it's been

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really ripping apart some of the

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insulation on our critical electronics

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bays so we had three yet that we wanted

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to do one from yesterday and two more

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today so those were the tasks happy to

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say that every single thing got done and

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the spacecraft is in fantastic shape

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well right now we have a couple more

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tasks that we still have to accomplish

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this day every day we do we call an

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aliveness test and a functional test and

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a liveness test to make sure that

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something just turns on and then a

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functional test to make sure it really

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works as we intend for the long haul so

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right now we're doing a functional test

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on the batteries everything so far looks

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great but it's a more in-depth test that

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we do after the crew's in for the night

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then after that we're going to do the

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functional test on a fine guidance

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sensor pretty much the same thing just

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make sure that it's working fine for the

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long term and that's going to take about

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an hour it's not a short test so we have

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to finish up those tasks tonight and

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then we got to get ready for tomorrow

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the big day when they're going to

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release us one of the things that we

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have to do overnight is charge up those

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batteries even though the batteries are

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in they're not all charged up yet and

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before we get released from the order

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orbiter we want the batteries at their

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full capacity

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so overnight they're going to charge the

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batteries and then when the crew wakes

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up tomorrow it's just a series of

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activities getting ready before they

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grapple with us we have to turn off some

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critical electronics then they're going

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to get the arm it's going to go and grab

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hst again and hold it out it's going to

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hold out hst when the time is right when

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exactly the right orientation they're

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going to let us go and they're going to

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do some burns and then they're going to

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go away from us and we're a free-flying

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telescope again

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but we're still busy our telescope is

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there but we have to commission it we

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have to start bringing it up again turn

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those electronics on make sure we're

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pointed in the right direction make sure

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that our batteries are charging exactly

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as we wanted to so we have a series of

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activities after we get released there's

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still at least two or three hours of

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very intense commanding we have to do to

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get ourselves for a state where we can

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last for a little bit longer and then

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over actually the next four five six

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months we'll be testing out all these

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new toys these wonderful new instruments

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that we have on board and making sure

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they work right so it's going to be

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about five or six months before

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everything is back completely to normal

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again

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remember take a moment here this is it

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the last space walk on hubble

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and maybe our last visit

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to space so

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enjoy this

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uh you earned it

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the general mood is nothing short of

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euphoric i mean it's just amazing you

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think we were five days ago and hubble

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was still doing great but now we have

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four brand new instruments and just not

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just new instruments incredible

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instruments the two that we fixed up

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they were older but they were fantastic

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and some of our best pictures have come

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from them best discoveries these two new

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ones are even another generation beyond

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that it's just fantastic and then just

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the engineering side of how all this

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your car runs how well our telescope

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runs we have new batteries we have new

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gyros we have this new insulation

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outside we have a new pointing system

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it's fantastic

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euphoria best way to describe it here we

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are we've been working literally for

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seven years to get this thing done since

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the last servicing mission and there's

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been ups and downs and trials and

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tribulations it's been a roller coaster

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of emotion

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seven years leading up and it's been a

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roller coaster of emotions during this

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mission we've had problems we've

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overcome the problems we have more

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problems we've overcome those problems

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and everything's been done

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so it's a it's a relief you know there's

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just huge weight off our shoulders

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it's wonderful because we've been part

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of this history of making the telescope

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something that it's even better than it

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was before

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so it's relief it's excitement it's

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euphoria it's fatigue it's about 35

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other emotions i can't describe right

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now

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so after almost 40 hours of spacewalks

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over five days the hubble space

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telescope for the first time since it

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was deployed has a full complement of

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science instruments

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while activities here in the stock in

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support of the telescope and the space

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shuttle are in their final hours the

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science mission orbital verification

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work involving detailed checkouts

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alignments and focusing of the new

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instruments is expected to take several

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months hubble scientists expect the

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first new images to be released in

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september

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after more than 104

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225 orbits since the telescope first

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rode into space in

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space shuttle discoveries payload bay

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hubble stands poised to provide

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incredible images and new discoveries of

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our universe as it continues its journey

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of exploration

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we will now return to mission control in

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houston for continuing nasa tv coverage

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of the flight of atlantis up next on