- 2 mesi fa
It’s Quieter in the Twilight (2023) is a heartfelt drama that follows a family navigating life’s changes and challenges while learning the importance of connection, understanding, and resilience. The film explores themes of personal growth, family bonds, and finding hope in unexpected moments. With engaging storytelling, relatable characters, and emotional depth, It’s Quieter in the Twilight provides an inspiring and touching viewing experience suitable for audiences of all ages. A meaningful story about love, hope, and the strength of relationships.
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00:00:00Il nostro corso gratuito è www.mesmerism.info
00:00:30Il nostro corso gratuito è www.mesmerism.info
00:01:00Il nostro corso gratuito è www.mesmerism.info
00:01:29Il nostro corso gratuito è www.mesmerism.info
00:01:35se possiamo parlare un po' tardi?
00:01:37Ci sono arrivati a mell'occasione
00:01:39e voglio sapere cosa sta succedendo
00:01:41cosa sta succedendo
00:01:42abbiamo potuto recuperare?
00:02:02Ok, vengono a Voyager
00:02:05I'll put loose lights on
00:02:13Ok
00:02:14I'm gonna get the blinds open
00:02:17We have our library
00:02:19I'm not sure what this is on the floor over here
00:02:22This is our kitchen area
00:02:25Offices for the engineers
00:02:28And of course this is Susie's office here
00:02:32Susie, take one
00:02:34My name is Suzanne Dodd
00:02:36And I'm the Voyager project manager
00:02:38Here at the Jet Propulsion Laboratory
00:02:40I think being here
00:02:44You're forgotten here
00:02:47Where we are now
00:02:54Is in a complex called Woodbury
00:02:57Which is the name of the street it's on
00:03:00It's about a mile from JPL I think
00:03:03Next to McDonald's
00:03:05NASA
00:03:09NASA management
00:03:11Doesn't really think of Voyager
00:03:12Doesn't really worry about Voyager
00:03:13It's out of sight out of mind
00:03:15Kind of thing
00:03:16That wasn't always the case
00:03:18That wasn't always the case
00:03:22The mission of Voyager is the search for knowledge
00:03:24That will widen the horizons of generations to come
00:03:27The whole community
00:03:33The science community
00:03:34The political community
00:03:35Was really hot to do this mission
00:03:37To help you feel the staggering dimensions of this mission
00:03:41It's worth recalling how it got here
00:03:43In the late 60s
00:03:45We learned it was possible
00:03:47To use the gravity of one planet
00:03:50To accelerate the spacecraft
00:03:52And go to another planet
00:03:54And then somebody found out
00:03:56That there's a very unusual alignment
00:03:59In 77
00:04:00All four of the giant outer planets
00:04:03Jupiter, Saturn, Uranus and Neptune
00:04:06Would be aligned on the same side of the sun
00:04:08That only occurs once every 176 years
00:04:13Or you can go from Jupiter to Saturn to Uranus to Neptune
00:04:17The last time that happened
00:04:19Was during Thomas Jefferson's administration
00:04:24In 77
00:04:25It happens again
00:04:26When the space age itself is only 20 years old
00:04:31As soon as people realize that
00:04:32We've got to send a mission to do that
00:04:34The Voyager spacecraft
00:04:36Will carry the eyes of man farther than they've ever been
00:04:39And closer to the very limits of our solar system
00:04:50They said, okay, what we're going to do
00:04:51Is we're going to have two spacecraft
00:04:53For redundancies
00:04:54Cape Canaveral, Florida
00:04:57Sent another unmanned Voyager spacecraft
00:04:59On its way to Jupiter and Saturn
00:05:01That gave us better assurance
00:05:03That at least one
00:05:04Could finish what's called the grand tour
00:05:07Of the giant outer planets
00:05:10What we know about Jupiter
00:05:13And Saturn
00:05:15Uranus
00:05:16And Neptune
00:05:17Were all achieved
00:05:19By a single mission
00:05:21Flying breakneck speed
00:05:23Through the solar system
00:05:25Not since 1969
00:05:27And man's first footsteps on the moon
00:05:29Has space captured the nation's imagination to this degree
00:05:34We are in the process of having completed
00:05:36The reconnaissance of the solar system
00:05:38It's a fantastic historical achievement
00:05:41The scientists and friends are here to celebrate the completion of Voyager's grand tour
00:05:48There's a strong feeling of elation here
00:05:50As many continue to ride the crest of a wave that carried the mission to a monumental success
00:05:56And after that
00:06:01Pretty much everybody thought Voyager was over
00:06:03I think we probably had about 1200 engineers working on it
00:06:07I don't even know
00:06:11How many people are working on Voyager right now
00:06:14Probably not more than 10 or 15
00:06:15Today we have 12 people that fly two spacecraft
00:06:19They've dedicated their whole career to Voyager
00:06:36It's not that we fly by Neptune and everything is done
00:06:39Voyager has long legs
00:06:41As far as continuation of the mission
00:06:43We do plan to continue tracking Voyager
00:06:46For as long as it's possible
00:06:48We move into the interstellar mission
00:06:51Which will be staffed by a much lower staffing level
00:06:54This is the next step of exploration for mankind
00:07:01The first interstellar space
00:07:03We made it!
00:07:11Second interstellar會
00:07:20Hello?
00:07:24Hello?
00:07:35Hello?
00:07:36Hello?
00:07:37Sì.
00:07:44Sì.
00:07:45Sì.
00:07:47Sì.
00:07:48Sì, siamo in linea.
00:07:56Sì, siamo in linea.
00:08:00Sì, siamo in linea.
00:08:02Ok.
00:08:05Sì, siamo in linea.
00:08:07My first job out of college was on Voyager.
00:08:09Entry level position,
00:08:11it was doing
00:08:29the small team that I was on was small.
00:08:32Relative small, was 30 people.
00:08:33I'm raising kids, lot's of stuff going on, so I wasn't payin' much attention to Voyager
00:08:39until they called me and said,
00:08:40would you like to be in the Voyager project manager?
00:08:42I said...
00:08:44sure, is it still going?
00:08:51I was surprised when I came back as the project manager in 2010,
00:08:54how many people were still on Voyager.
00:08:57It's like 20 years had never gone by.
00:09:01Quando you joined Voyager, what year was that?
00:09:0473.
00:09:08I was a spacecraft team chief.
00:09:10Through mid-'81, much later in my career, they called me back.
00:09:16The experience is different from day to day, but it's still the same goal.
00:09:22There's a mission to be flown.
00:09:24We need to put the instruments through their paces.
00:09:29We need to make observations.
00:09:31We need to look for things where we're not sure what we're going to find,
00:09:35just to get the science back.
00:09:38And that's really the role of these teams.
00:09:46Our focus is to make sure that we get the scientists the data that they want.
00:09:50No spacecraft has ever been out this far.
00:10:01Astrophysicists, they're tickled to death that both Voyagers have survived and are taking data in interstellar space.
00:10:18There's a chance to see something new or learn something that hasn't been learned or observed before.
00:10:27My best day is when we have a staff meeting and Ed Stone is there.
00:10:33And he's talking about what they're seeing.
00:10:36We're talking with Dr. Edward Stone, Voyager project scientist.
00:10:44Dr. Stone is a professor of physics at Caltech.
00:10:47Dr., what are the responsibilities, your responsibilities here at JPL?
00:10:53I'm Ed Stone.
00:10:54I'm the chief scientist for the mission called the project scientist for Voyager.
00:10:59Dr. Ed Stone.
00:11:00Ed Stone, the Voyager project scientist, has joined us again.
00:11:03The Voyager project scientist, Dr. Ed Stone.
00:11:07The one and the only project scientist that Voyager has ever known.
00:11:13The one and only.
00:11:16Voyager was really a pathfinder.
00:11:19The fact that it lasted 42 years and still working is something we could not have imagined back in those days.
00:11:26What we're learning is how the wind of the sun interacts with the wind from the other stars nearby.
00:11:32The Voyager one entered interstellar space in 2012.
00:11:37And it was in the northern hemisphere of the heliosphere.
00:11:41The heliosphere is this huge bubble the sun creates around itself.
00:11:45The Voyager one was in the north.
00:11:48Voyager two is in the south.
00:11:49We were surprised to find that in terms of where the heliopause is,
00:11:54it's almost as far from the sun in the south as it is in the north.
00:11:58By measuring the distance to the sun at two different points,
00:12:03it helps us model this interaction between the heliosphere and interstellar space.
00:12:09It's a very important interaction because the heliosphere shields Earth.
00:12:13Over 70% of what's outside can't get in because of this outward flow of the wind pushing things back.
00:12:20The size of the heliosphere is really very important in terms of the radiation environment here on Earth.
00:12:26We had no good idea how big the heliospheric bubble was.
00:12:31That's what Voyager determined.
00:12:33It changed our view of the solar system.
00:12:38What Voyagers have told us are the first hints of what's in the space between the stars,
00:12:57outside the heliopause, and the scientists there are fundamentally having to change their models
00:13:04of what they thought that space was like.
00:13:09To find out what's out there, it's just amazing.
00:13:18People really thirst for that fundamental knowledge that's being exposed by the Voyager spacecraft.
00:13:27It's about giving people the sense of exploration and adventure.
00:13:40And hope.
00:13:47And that's very important to us.
00:13:51The science return is there.
00:13:52If we can keep the spacecraft healthy, the science takes care of itself and we'll come back.
00:13:57There's still discoveries out there.
00:14:04But it's a lot more challenging now.
00:14:09For Voyager 1, the one-way light time is 20 hours.
00:14:16That means the signal coming from Voyager 1 takes over 20 hours to get to Earth,
00:14:21moving at the speed of light, a zippy 186,000 miles per second.
00:14:26Voyager 2 is not far behind.
00:14:28It's about 17 light hours away from Earth.
00:14:31If I come in on a Monday morning and I say,
00:14:35Hey, Voyager, how you doing?
00:14:36Good morning.
00:14:37It's going to take me until Tuesday afternoon that I get a response back from Voyager that says,
00:14:42Hi, I'm doing great.
00:14:43The other issue is that we're all older now and that age casts a sort of a shadow over the things that we do.
00:15:00This ship was launched, you know, what, 45 years ago?
00:15:05Well, people don't know the details of what is behind it.
00:15:09What are they now?
00:15:10They're 80s and 90s.
00:15:12I mean, I'm 87.
00:15:14That's a real issue.
00:15:16Nowadays, when we're talking about decisions we're making in the engineering world on the project,
00:15:22a lot of it goes way back to when they built the spacecraft.
00:15:29What were the specifications on this part?
00:15:32What was it tested at?
00:15:35How conservative were they when they put this number on this piece of paper 40 years ago?
00:15:42And you go back and you try to find those original engineers that wrote the document and a lot of them are no longer alive.
00:15:52I read through these documents that I worked on back in the beginning, signed by all these people that I had worked with.
00:16:05Most of those people are gone.
00:16:09It may be a race between how long we as individuals live versus how long the spacecraft can still communicate with us.
00:16:18There's such a knowledge base that's in the engineer's head that it's critical to have people who are on the project and have been on the project a long time continue to work on the project as long as possible.
00:16:30You know, Jeff Hall, Soon, Enrique.
00:16:34Most of us are single point failures.
00:16:38Yeah, I'll be 70 next week, almost in the old days.
00:16:44I've been working on Voyager for so long, I cannot imagine leaving the project.
00:16:51They have what you can't get from paper.
00:16:53They understand the idiosyncrasies of the spacecraft.
00:16:56Their whole professional careers are on this mission and making this mission successful.
00:17:06It's hard for me to just see this machine.
00:17:09It's kind of like part of me.
00:17:15Very proud of what I'm doing, especially from my background.
00:17:21I was born and raised in Mexico.
00:17:24I was born and raised in Korea, South Korea, in a small farming village.
00:17:30In Colombia, as a child, I never in my wildest dreams thought that I would end up working with this particular project.
00:17:40That was never in my mind.
00:17:43I grew up in Wigan, Mississippi.
00:17:46I wanted to get into a technical field, but during that time, segregation was big and weren't allowed to go to schools where they offered technical degrees.
00:17:55So I went to school in Alabama, Tuskegee Institute, now Tuskegee University.
00:18:04I came to the States for a small vacation, November 1968.
00:18:13Then I met my to-be wife, my guardian angel.
00:18:21I immigrated to United States after high school, because I came in December 1977.
00:18:32But I didn't know about the Voyager back then.
00:18:38I came on in 1978, just prior to the Jupiter Encounter.
00:18:43After exactly 18 months of flight, Voyager 1 will reach Jupiter on March 5th.
00:18:51For the Jupiter Encounter, we had to design and develop new and different sequences, or get pictures and whatever kind of science they wanted to take.
00:19:01We didn't know what we were going to find.
00:19:03We had sort of set up the camera on the spacecraft, and we would just stare at the planet, and we'd take pictures.
00:19:13And the pictures would produce movies.
00:19:27I mean, it was incredible.
00:19:30We would see something that we can't even describe.
00:19:34It appears to be radiating 30% more energy than it absorbs from the sun.
00:19:40In terms of the foot of the flux tube, those are the same magnetic field lines that thread the torus, so yes.
00:19:46We were immersed with one discovery after the other.
00:19:49The main surprise was the amount of activity.
00:19:51On Io, you showed us the picture of the volcano there, and that was news.
00:19:56Before Voyager, the only known active volcanoes in the solar system were here on Earth.
00:20:02And then we flew by Io, which is a moon about the size of our moon.
00:20:06It hit 10 times the volcanic activity of Earth.
00:20:11Suddenly, we realized our terra-centric view of what the planets in the solar system were like.
00:20:19Nature was really doing these incredible things.
00:20:25It was exciting.
00:20:26We were all early in our Voyager experience.
00:20:35That was a long time ago.
00:20:42There is still a lot more we need to learn about the solar system.
00:20:47But the spacecraft isn't all as it was 40 years ago.
00:20:52I like to think of these spacecraft as senior citizens.
00:20:56Over time, they've aged differently.
00:20:58Different things are broken, so they don't behave quite the same today as they did at launch.
00:21:16Voyager 2 has more challenges than Voyager 1.
00:21:20Voyager 2 is colder and has less power margin.
00:21:30Honestly, we don't really know why it's colder.
00:21:33It goes back to the fact that over time, these twin spacecraft have aged differently.
00:21:38The whole system is cooling down.
00:21:41In particular, the hydrazine, the propellant that we use to keep the spacecraft oriented to point back to Earth.
00:21:4916 tiny rocket thrusters fueled by decomposing hydrazine turn the craft or change its velocity when required.
00:21:57We're within a couple of degrees of having that freeze.
00:22:05As it cools down and eventually freezes, we can no longer point the spacecraft.
00:22:11And it'll just drift off and that'll be the end of the mission.
00:22:23One of the other sticky issues on Voyager 2, the only antenna that can talk to Voyager 2 is DSS Deep Space Station 43 in Canberra, Australia.
00:22:34DSS Deep Space Station 43 is going to be down from February of 2020 clear out to about as late as December 2020.
00:22:54DSS Deep Space Station 43 is going to be down from February of 2020 clear out to about as late as December 2020.
00:22:58When that antenna is down, we cannot command Voyager 2.
00:23:04The mammoth electronic ears of today's deep space network can and do continuously track and receive data from probes to the edge of our solar system.
00:23:22We have stations north of Barstow, California, others in Madrid,
00:23:27and another one in Australia in Canberra.
00:23:39Borgia 2 can only be seen in the southern hemisphere because it's so far down and out of the plane of the planets.
00:23:46So it can only be seen by the Australian Deep Space Center site that's located outside of Canberra.
00:23:51DSN announced that they were going to be having some big maintenance that they had to do on the Canberra station, the 70 meter station.
00:24:12We'll still get downlink. We'll be able to look in and view Voyager 2, make sure it's healthy, but we don't have uplink capabilities.
00:24:31So if there's a problem with the spacecraft, we can't send something to fix it.
00:24:36So we're really kind of, um, scrambling is not the right word, but we're, maybe it's controlled scrambling.
00:24:47Right now, what we have for Voyager 2 is unsustainable, period.
00:24:52This spacecraft would not survive the downtime.
00:25:00We had to put enough margin on our power and thermal at the start of that antenna downtime to last a year.
00:25:07Trying to plan how do we get through that period without causing something to freeze.
00:25:11So, full disclosure, I've had a lot of trouble with this car this year.
00:25:28We cannot fix it, uh, although we're close. It's the engine control module, ECM.
00:25:35I'm trying to think of a way, it's kind of like, as we keep, try to keep Voyager warm, we think that it's, when it's cold, it fails.
00:25:43So I'm thinking of a way to bring a heater in and maybe go off the battery and, and warm up the engine control module if it ever fails to, uh, to start.
00:25:51Knock on wood, it's started for the last three weeks, so.
00:25:54I'm not that mechanically minded, surprisingly, for a rocket scientist, but, uh, I certainly had the opportunity.
00:26:04My dad is incredibly handy, can fix anything.
00:26:07And I could have been out with him learning all this stuff, but, uh, I was inside practicing the piano.
00:26:15Music's like a second career. I'm in six groups.
00:26:19Sometimes it's just running from one musical rehearsal to the other.
00:26:25I try to keep them straight.
00:26:28I just couldn't decide throughout my life, music or engineering.
00:26:32I decided just to keep deferring the decision.
00:26:35I still pinch myself that these musical dreams of childhood have come true, just as my, uh, JPL dreams came true.
00:26:43Um, who worked on Voyager in the, in the band here?
00:26:47One, Jeff did.
00:26:49No, I didn't.
00:26:51Everybody's too young, so.
00:26:52My journey to Voyager is a long one.
00:26:56It began when I was a nerdy kid off in Kansas, uh, visiting my grandparents.
00:27:04Thanks a lot. Uh, can you hear me in the back okay with the cordless headset mic? We're good?
00:27:09Wonderful. Anybody in eighth grade?
00:27:10Anybody in eighth grade?
00:27:11When I was in eighth grade, I had this weird explorer gene and wanted to go see all of planet Earth.
00:27:19Every corner of planet Earth.
00:27:21My grandparents, they felt bad.
00:27:22They're like, you know, we'd love to take you somewhere and go exploring.
00:27:25We can't. We have to farm wheat.
00:27:28But, I have a magazine that will take you places.
00:27:33So for the first time they showed me National Geographic.
00:27:35And I read five years of back issues, 60 issues cover to cover over two weeks.
00:27:42This was about 1981, right when the Voyager spacecraft were flying by Saturn.
00:27:47We're on our way for a very interesting ride through the Saturn system.
00:27:57In the course of its journey, Voyager discovered three new moons in Saturn's orbit
00:28:02and relayed baffling photographs of Saturn's rings.
00:28:05We had estimated that there were hundreds of rings.
00:28:10What they're finding is we should be saying thousands.
00:28:14These places had never been visited before.
00:28:17Seeing them for the first time was just this glorious feeling of exploration.
00:28:22And as soon as I saw those images of the planets, the dozens of moons, I was hooked.
00:28:28I just, I knew that somehow I wanted to be involved in the space program.
00:28:32And in eighth grade, I said, I don't know anything about this JPL, what it's like to live in California,
00:28:40but that's where I want to work.
00:28:41That's what I want to do with my career and my life.
00:28:46Took three attempts to get in the door.
00:28:49But finally, my JPL dreams came true.
00:28:55What Voyager are we talking about?
00:28:56Both.
00:28:58From the 70s?
00:28:59Yeah, yeah.
00:29:00You were there and did that.
00:29:01No, I'm not that old, but I'm working it now.
00:29:04So there's only like 10 of us working it now.
00:29:06That was my question.
00:29:07How many there were?
00:29:08Very few.
00:29:09Okay.
00:29:10But you're still following it.
00:29:11It's still out there?
00:29:12Well, yes.
00:29:13Yeah, we're talking to both every day.
00:29:14It's still out there.
00:29:15Both are still out there.
00:29:17Two most distant human objects.
00:29:18I did not know that.
00:29:20We've penetrated the bubble.
00:29:21We're outside now.
00:29:22We're in interstellar space with both spacecraft.
00:29:24So yeah, we're still talking to both, trying to keep them alive.
00:29:26I'm the newest member of Voyager.
00:29:27But you never know when you're the new guy coming in, how that's going to work out.
00:29:39And they've welcomed me with open arms.
00:29:41I'm living out my childhood dream in kind of the twilight of my career.
00:29:46And then the twilight of the Voyager mission, helping keep these two beautiful spacecraft going.
00:29:51So we're sending up the CRS command here, command Saturday?
00:30:08Yes.
00:30:10Okay.
00:30:11What's the time they go up?
00:30:16It's going to go up around 2.45 a.m. Saturday morning.
00:30:20Okay.
00:30:21Fernando, you probably would already do this, but can you send out a note when you see...
00:30:27Oh, absolutely.
00:30:28Yeah, I will send a complete report as to what the power change that we saw and receiving
00:30:37of the commands.
00:30:38Yes.
00:30:39Okay.
00:30:40Trying to get the whole Voyager 2 all lined up so it can ride out this antenna downtime.
00:30:45In order to do that, we're going to have to turn off instruments or at least turn off instrument heaters.
00:30:54We have five fields and particles instruments on each spacecraft.
00:31:03One of those instruments is not working on Voyager 1.
00:31:07but nine out of ten are still functional after 40 years.
00:31:12At some point, we have to start turning off science instruments.
00:31:16We lose about four watts of power generation a year, so we have to keep turning things off.
00:31:22And that's a real Sophie's choice.
00:31:24How do you decide which science instruments to turn off first?
00:31:27But one of the beautiful things, all science instruments have heaters.
00:31:31So before you turn off a science instrument, we'll try to turn off a heater or even swap heaters through a lower powered heater.
00:31:38And maybe the instrument survives.
00:31:40We need to turn off the heaters to save the power margin, to give us the power margin.
00:31:47Here's the power margin for Voyager 1, 10.1 watts.
00:31:55Then we go to Voyager 2, we only have 7.5 watts.
00:32:00Right now.
00:32:02Do the math.
00:32:03And we use 4 watts per year.
00:32:07The light bulb on your fridge is probably 20 watts.
00:32:11So that means we have a year and change to do something.
00:32:18Because we're not going to have the power to keep going.
00:32:30That's what we're starting just within the next week or so.
00:32:36We're going to be turning off a heater on the CRS instrument.
00:32:41The CRS is the cosmic ray subsystem.
00:32:46Do we turn one on and then one off or?
00:32:49Yes.
00:32:50I didn't know this.
00:32:51How soon, what's the, what are the steps in the command?
00:32:54Well, we turn off the Bay 1 heater to gain the power margin.
00:32:58Okay.
00:32:59And then turn off the CRS replacement heater.
00:33:01Okay.
00:33:02And then turn on the CRS supplement heater.
00:33:04And then we have two mitigating commands.
00:33:06Okay.
00:33:07And then we turn on the Bay 1 heater back on.
00:33:10Okay.
00:33:11Doom, did you say replacement or supplemental first?
00:33:15We turn off the replacement heater and turn on the supplement heater.
00:33:19Okay.
00:33:20Baby, I said it.
00:33:21All right, thank you.
00:33:22I think we feel there's a 50-50 chance that the instrument may freeze.
00:33:34So we don't know.
00:33:46Run there.
00:33:47Early bird.
00:33:48Get my coffee.
00:33:49This is from home.
00:33:50My creamer.
00:33:51And my sugar.
00:33:52Cause I'm the only one that has sugar.
00:33:56Everybody's too healthy.
00:33:58I'm not.
00:33:59I'm not.
00:34:06What we're doing is turning off heaters.
00:34:10We're gonna do that with the CRS.
00:34:12If it works, one more success.
00:34:15But we'll see.
00:34:16Oh, we'll see.
00:34:28One six zero.
00:34:29Decimal.
00:34:30Charlie Foxtrot.
00:34:31Golf.
00:34:32Golf.
00:34:33Coffee off.
00:34:34Thank you.
00:34:35Coffee off.
00:34:36Thank you.
00:34:37Yeah.
00:34:38Mmm.
00:34:39Oops.
00:34:40Yeah.
00:34:41Good boy.
00:34:42Rebel.
00:34:43I feel differingcompany-
00:34:43Yea.
00:34:44Might be more fun.
00:34:46Let's get bread to go.
00:34:47Take a walk equality AMP and go away.
00:34:50Okay, Grandma.
00:34:51STUDY
00:34:52fazla
00:35:01Padraig
00:35:05The commands are all issued on board by the central command computer.
00:35:17Roughly a 14-bit command that goes to the power subsystem.
00:35:22The power subsystem decodes it, and it determines which relay is being asked to be turned on or off.
00:35:31The power subsystem then executes that command.
00:35:36What we've noticed is occasionally that command is not executed properly.
00:35:45If you think of all the set of commands on Voyager 2 as rows and columns,
00:35:50if you command a certain command in a given row or column,
00:35:53you might inadvertently get another command in that column.
00:35:58Voyager 2 is the only one that has that issue.
00:36:00We have not figured out really to any level of satisfaction
00:36:05what failure is lurking in the power subsystem that causes this to happen.
00:36:10So it might get worse.
00:36:15By the time you find out something has happened,
00:36:18you know, it happened 16 hours ago or 20 hours ago or whatever.
00:36:21So you can't do things very quickly.
00:36:24So you've got to anticipate what the spacecraft is going to do.
00:36:26That's right.
00:36:44So you've got to keep going and see what the spacecraft is going to do.
00:36:47Grazie a tutti.
00:37:17Grazie a tutti.
00:37:47Grazie a tutti.
00:37:49Grazie a tutti.
00:37:51Grazie a tutti.
00:42:24So, I joined the military, U.S. Army.
00:42:29It's like one of the best experiences I ever had.
00:42:32My mom shared her life and she wanted us to be educated, have a better life.
00:42:46So, she tried so hard.
00:42:47She passed away when I was in the middle school.
00:42:52I always wanted to honor my mom.
00:42:54Yeah, I felt like I should be proud of me, if she could see me now.
00:43:03So, as long as the boys needs me, I can never, ever not answer.
00:43:16My schedule keeps changing.
00:43:26My will retire and keep changing.
00:43:30People keep moving that.
00:43:31It used to be 2020.
00:43:33When I see that Voyager, it doesn't need me, I will leave and enjoy the last phase of my life.
00:43:46Travel, my wife loves travel.
00:43:51Visit the kids, the grandkids.
00:43:54They live in San Francisco.
00:43:56Eli and Lola.
00:43:58They're in San Francisco.
00:43:59I mean, it's a piece of cake to go there.
00:44:02Well, not really.
00:44:04As you get older, those seven-hour drive, you have to stop.
00:44:10Twice.
00:44:16We sort of pick milestones.
00:44:20I'd kind of like to be here if and when it makes 50 years.
00:44:25My personal goal is to have the mission last for 50 years.
00:44:29I'm hoping that we can make it to 2027, so we can say, oh, 50 years, that will be so unique.
00:44:36For me, that's a technical success.
00:44:40It's an achievement.
00:44:42It's a goal that I'd like to participate in.
00:44:59We're ready for our downtime.
00:45:15Three months away.
00:45:16We're building a giant background sequence now that will carry Voyager through its entire downtime, early February of 2020, clear through as late as December of 2020.
00:45:31I mean, if we do it right, I'd say we have a 95% chance of coming out just fine.
00:45:38You have to remember, these spacecraft have been flying for 40 years, and for the last 30 years, they've been pretty unattended.
00:45:45We don't command the spacecraft very often.
00:45:48The spacecraft is designed so that it can fly itself.
00:45:51So it's been very autonomous, and it's worked very well since we left Neptune.
00:45:57Good morning, and welcome to the 5 o'clock edition of Voyager Update.
00:46:01I'm your host, Suzanne Dodd.
00:46:04Voyager is 510,000 kilometers above the swirling cloud tops of Neptune.
00:46:11Well, this is the day.
00:46:13We've been in an observatory phase for months, seeing Neptune as a slowly growing dot to something filling the television screen.
00:46:25Beautiful, austere, blue world.
00:46:29Look at the contracts.
00:46:33The spacecraft entered the Neptune system and safely made its closest approach to the giant planet and its unusual moon, Triton.
00:46:41Triton looks unlike anything we have seen before.
00:46:46It's got at least three distinct types of terrain.
00:46:50We're all just amazed.
00:46:52Could one of you wax philosophical about how you feel after 12 years and being here at the last planet?
00:46:59Now, you know, it's all going to sink in in the next few days.
00:47:02That would be the time to ask the question.
00:47:05Now it is on toward the vast sea of interstellar space.
00:47:08Once I went by Neptune, people sort of forgot about Voyager.
00:47:14Frankly, I didn't really know what had become of Voyager when I left in 1990.
00:47:20Many of the world's journalists have broken down, packed up, and already left the jet propulsion site here in Pasadena.
00:47:26In, I think, 2004, there was a termination review for Voyager.
00:47:32We had been going for more than 10 years after Neptune.
00:47:35There were some questions at NASA whether or not we were on a mission that was anywhere near finishing.
00:47:44Why would you terminate the mission?
00:47:45Well, because it costs money and we haven't seen anything.
00:47:49In 2005 is when we got the first little hints that we might be closer to the edge of the heliosphere
00:47:56because we felt the termination shock.
00:48:02Once we reached the termination shock, it was where the supersonic solar wind abruptly slows down.
00:48:08As it approaches the heliosphere, that told us we were finally getting close.
00:48:12I think if that hadn't happened, there's probably a good chance that they would have canceled Voyager.
00:48:20If they had terminated it in 2004, we would have never known the distance of the heliopause.
00:48:27We would have never known the interaction of the magnetic field and what happens at the heliopause.
00:48:33It's one thing to have a theory about what happens.
00:48:36The Voyager spacecraft are actually there in situ.
00:48:40Not only that, but there's two spacecraft.
00:48:42For a modeler, it's important because anybody can make a model that fits one data point, one Voyager spacecraft.
00:48:51But when you have two data points that your model has to fit, then it becomes much more accurate.
00:48:56So it's important to have both spacecraft still flying.
00:48:59Good morning, Jeff.
00:49:11Good morning.
00:49:11Fine, thank you.
00:49:13Good morning.
00:49:14Good morning.
00:49:15Thank you.
00:49:17Andrea got us cookies.
00:49:20Yeah, Andrea's at it again.
00:49:22Yeah.
00:49:24Okay, guys.
00:49:25Let's go ahead and get started.
00:49:28Systems.
00:49:29They both look good.
00:49:32No gaps, no DRs and telecoms fight.
00:49:36This morning we had the antenna bullseye calibration.
00:49:40Assuming that all went well.
00:49:41Everything was great.
00:49:42By the book.
00:49:44Just a reminder, tomorrow Todd is giving a presentation on our fuel consumption and remaining.
00:49:54He will tell us whether we're going to run out of fuel or not.
00:49:57Slightly important.
00:49:57Yeah, right.
00:50:00We are going to be, for Voyager 2, we're going to be in the blind.
00:50:18We think we're ready.
00:50:21Yeah, everything seems to be ready.
00:50:23And double check, triple check, make sure that everything is ready to go.
00:50:30And it seems like that's the case.
00:50:32There may be some last minute tests that have to be done, but for the most part, I think we're ready to go.
00:50:38We have made the decision, the power that we have provided to the spacecraft is enough to be able to go beyond the other side of the downtime.
00:50:51But it's still a 42-year-old spacecraft, and you're asking it to become a 43-year-old spacecraft.
00:51:03We don't know what's in store for us.
00:51:05Today is a special event.
00:51:29If we're not ready, we cannot let it go down.
00:51:31We're under a lot of stress.
00:51:36There are a lot of uncertainties.
00:51:38This is a challenge of this job.
00:51:41I don't understand myself why I'm so into it.
00:51:44It's just kind of feeling you're responsible for it.
00:51:48We're going to be doing a rotation of the spacecraft around the Earth line.
00:51:57It's called a mag roll.
00:52:00A magnetometer roll is a calibration we do for the magnetometer instrument.
00:52:07And what we do is maneuver the spacecraft in 360 degrees.
00:52:11The rotation of the whole spacecraft is guided by the gyroscope.
00:52:20The gyros consume a certain amount of power, which is 14.4 watts.
00:52:24The spacecraft doesn't have that kind of power.
00:52:27So what we do is we turn a heater.
00:52:31We turn it off.
00:52:33And that gives us 24 watts.
00:52:35And then we turn almost instantaneously the gyros on.
00:52:42Sweeps 360 degrees, gets the magnetic field in all directions.
00:52:47And it uses that to calibrate the instruments and keep them operating properly.
00:52:53After the whole thing, then we reverse everything.
00:52:57Back to what we used to be.
00:53:00We're expecting to have a very good mag roll.
00:53:05How do you know it's working?
00:53:14If something stops working, immediately the power will let us know that there is something funny.
00:53:22But that's never been the case.
00:53:25And hopefully it won't happen today.
00:53:304-3 Voyager Ace.
00:53:324-3?
00:53:33Yeah, we'd like to give you a briefing about the mag roll.
00:53:38I'm ready.
00:53:39We're expecting variations in downlink.
00:53:42Please disable CONSCAN at 0230 and CONSCAN enable at 0320.
00:53:51Okay, copy that.
00:53:53So, uh, AGC fluctuations, uh, from 0-2-3-8, uh, CONSCAN disable, 0-2-3-0 and re-enable at 0-3-2-0.
00:54:07That is a film.
00:54:07Okay.
00:54:09So, things are happening.
00:54:17The green one is the roll gyro position, and that one will tell us when we start rolling.
00:54:24And that will be a little bit delayed from, from what, uh, what we see from the station because we have that five to six minutes.
00:54:33And I always put a timer to start looking for this type of signal.
00:54:38And that one will tell us when we start rolling.
00:55:08Data control, Voyager Ace, on Micron 1.
00:55:16Voyager Ace, data control?
00:55:18Yes, I do have a, uh, dropout in telemetry.
00:55:21I was just wondering if that was between the exchange from 35 to T's B2.
00:55:33Yes.
00:55:35Copy that.
00:55:35Thank you.
00:55:36So, okay.
00:55:39So, could we turn this off?
00:55:53When you look things in retrospect, then you start appreciating the opportunities that life gave you.
00:55:59That, at the time, you don't really understand and you don't know what, what's going to happen.
00:56:10I grew up in Bogota, Colombia.
00:56:13My ex-father-in-law, my ex-father-in-law, I met him in 1973.
00:56:19I was 16 years old.
00:56:21At that time, he was already a well-established painter.
00:56:26Armando Villegas, he opened my eyes to the art of fine art.
00:56:33It became a big part of my life.
00:56:40It became a big part of my life.
00:56:40It became a big part of my life.
00:56:44But I knew, as a child, that I wanted to be an aerospace engineer.
00:56:57The moon landing was the major, major thing for me.
00:57:02The moon landing was the major, major thing for me.
00:57:04Looking at the moon, there were people on the moon.
00:57:27It was unbelievable and so inspiring.
00:57:34I decided, I want to be in the space program.
00:57:41But being in Colombia, there was nothing.
00:57:45No space program.
00:57:48So, I had no choice.
00:57:51I said, okay, I'm going to come to the United States.
00:57:54I knew that probably I would never go back to Colombia.
00:58:00Saying goodbye to my family.
00:58:02That was not easy.
00:58:07I never saw my father cry.
00:58:09So, the only time that I saw my father cry was the night before.
00:58:19And we were saying goodbye.
00:58:25And we embraced.
00:58:26And that was the very first time that I saw my dad crying.
00:58:32It's beautiful to remember that, you know,
00:58:35seeing that kind of emotion coming out of your father that never cried.
00:58:40So, it wasn't easy.
00:58:42So, it wasn't easy.
00:58:44But, I was ready.
00:58:49I came here June 11, 1981.
00:58:53I had no prospects of a job.
00:58:57And I was the sole provider.
00:58:59It was very difficult.
00:59:03I was able to ask for a hamburger.
00:59:07I had that much English.
00:59:09And I had to work in construction.
00:59:12Actually, it was not construction.
00:59:13It was destruction.
00:59:14I didn't have the proper gear.
00:59:21I was eating dust.
00:59:24And one day, one of those heavy doors landed on my foot.
00:59:29I could barely walk.
00:59:31But, regardless of the challenges, I was happy.
00:59:37I knew that I was on my way to something better.
00:59:40I got into the University of Texas for aerospace engineering.
00:59:47Later, I came to JPL asking for advice.
00:59:51I came asking for advice.
00:59:54And at the end, he said, it was a really nice interview.
00:59:59I couldn't believe it.
01:00:01A couple of years later, after graduation,
01:00:06in May 16, 1988,
01:00:10that's when I began to work at JPL.
01:00:28Hold your eyes, 4-3.
01:00:294-3, voyageries.
01:00:32Oh, yeah, we just had a telemetry outage.
01:00:35Would you like the talents?
01:00:37Copy that.
01:00:38No, I got it as well.
01:00:39Thank you.
01:00:40And probably, we need to turn cameras off.
01:00:50I need to go and consult with.
01:00:52And probably, we need to turn cameras off.
01:01:00I need to go and consult with.
01:01:02So that's it.
01:01:15So I may want to check on my phone if you're out.
01:01:17Are you going to have me sit down?
01:01:18Is that the idea?
01:01:19Oh, yeah.
01:01:20Oh, yeah.
01:01:21Okay.
01:01:22So I can hide, I can hide my phone in my pocket.
01:01:23Yes.
01:01:24Okay.
01:01:25Yes.
01:01:26Okay.
01:01:27So, can I ask what happened Saturday night?
01:01:28No.
01:01:29You know, basically, it didn't go quite as we wanted it to.
01:01:32So we're working through what did happen.
01:01:33And that's about as much as I can tell you right now.
01:01:34Yeah.
01:01:35Oh, yeah.
01:01:36Okay.
01:01:37So I can hide, I can hide my phone in my pocket.
01:01:39Yes.
01:01:40Okay.
01:01:41So, can I ask what happened Saturday night?
01:01:45No.
01:01:46You know, basically, it didn't go quite as we wanted it to.
01:01:57So we're working through what did happen.
01:02:00and that's about as much as I can tell you right now.
01:02:03So is the Camp Air satellite maintenance coming out?
01:02:06Correct.
01:02:07Is it still in the next week or?
01:02:10That's to be determined.
01:02:14We have to make sure that Voyager 2 is okay before we take the antenna down.
01:02:26Hello.
01:02:27It's been really wild.
01:02:30Um...
01:02:31Basically, the...
01:02:32My goal did not...
01:02:35Well...
01:02:36Certain things happen, unusual things happen during the my goal that should have not happened.
01:02:42Still, I mean, we do not know.
01:02:45We don't know everything.
01:02:47So we're working overtime.
01:02:49Everybody working overtime.
01:02:50Everybody working overtime.
01:02:51If you're driving a car down the street and the light changes red, you step on the brake,
01:03:07and it's three-tenths of a second.
01:03:09The pedal is depressed and you're stopping.
01:03:11That's because you saw the light change red right away.
01:03:14If you're on a spacecraft and something goes wrong, we don't know about that until the radio signal that detected the problem gets transmitted back to the Earth.
01:03:26Which could take hours.
01:03:29And then you figure out what happened on Earth and do something.
01:03:37And then you get to the end of the night, that's the end of the night.
01:03:38You get to the end of the night.
01:03:39What happened?
01:03:40What happened?
01:03:41Well, engineers are problem solvers.
01:03:45That's what they want to do.
01:03:49They want to solve problems.
01:03:50The tougher the problem, the more they like it.
01:03:54Siamo cercando di recuperare un passo a un po' di tempo.
01:04:06Questo è stato il risultato.
01:04:09Abbiamo avuto scambi, abbiamo avuto cose che abbiamo avuto reagire,
01:04:14ma molto veloce, non ci ha costruito così lungo.
01:04:17E non lo sappiamo che ci sarà.
01:04:24In il CCX, abbiamo avuto due processi, A e B.
01:04:34E poi ci sono i regioni, A e B non sono ancora synchronizzati.
01:04:39E non ne conoscevano a quel momento.
01:04:41Questo triggerebbe che sia giro e B1 che stavano all'inizio.
01:04:47Quindi, quando si stavano tutti stavano all'inizio,
01:04:50Power demand was higher than power supply, so it stopped all the ongoing activities.
01:04:59With heaters off, it's a race against time.
01:05:04If the hydrogen freezes, then the spacecraft starts stumbling, and we lose the spacecraft forever.
01:05:11It's a challenge on top of a challenge, because with Voyager 2, the command frequency changes with temperature.
01:05:18Since the spacecraft's temperature is going down, we had to figure out the right frequency.
01:05:26But you don't know how fast the temperature is changing. We have to make the best guess we can.
01:05:35It's very stressful. The time is critical.
01:05:41Finally, we sent a command.
01:05:44Turned gyrus off, and heaters back on.
01:05:53We were crossing our fingers, hoping for the best.
01:05:59Everybody's looking at the monitors, waiting for the signal.
01:06:03It took 35 hours.
01:06:05But finally, it said that the commands were received by the spacecraft.
01:06:17It was just amazing. I mean, it's just beautiful.
01:06:22Foo, the relief that you feel to see that, okay, we were able to save the spacecraft.
01:06:31We were just about to put the spacecraft back into its normal configuration in terms of temperature.
01:06:51All of a sudden, they just said, okay, grab everything and go home.
01:06:57New alarm bells ringing tonight on the coronavirus outbreak in this country.
01:07:02The governor of Washington declaring a state of emergency.
01:07:06Tens of millions of us work from home, while offices sit largely empty from California to Connecticut.
01:07:12I've got this thing that says an installer, and it says, do you want to move the Zoom installer to the trash?
01:07:29Okay, Bev has the thing installing.
01:07:32Hey, succeeded in installation.
01:07:35Hey, I see you.
01:07:36There he is.
01:07:37There.
01:07:38Hi.
01:07:38We did it.
01:07:41I can go have a drink.
01:07:45It was simple.
01:07:47Okay.
01:07:48Can you hear me okay now?
01:07:50Yeah, I don't know what's going on with the mic.
01:07:52For some reason, I couldn't hear you, and you couldn't hear me.
01:07:56Sorry.
01:07:57No, that's fine.
01:07:58Minky.
01:07:59My wife is coming for the cat.
01:08:01Basically, I had about a day notice, so I grabbed my laptop on the night of March 16th and headed home, and have not been back to the Voyager area since.
01:08:10So it was like, boom, the hammer came down.
01:08:13We had this anomaly January 25th.
01:08:19The antenna was actually supposed to go down February 5th.
01:08:23NASA got involved and said, you need to demonstrate that Voyager 2 is ready for this downtime, or we won't allow the antenna to go down.
01:08:33Everybody agreed if the Voyager spacecraft was safe, and it was the right thing to do to take the antenna down.
01:08:49They started that work March 9th.
01:08:51We started at March 9th, and we all went into COVID, you know, a week later.
01:09:21It is daunting and scary.
01:09:31People are wondering when it's all going to end.
01:09:35It's not a very happy environment.
01:09:38There's a lot of effort required to do this right, and of course, we don't want to mess it up.
01:09:45So we're very deliberate, making sure that we don't do anything stupid.
01:09:52You just have to figure out everything that has to work right for it not to fail.
01:10:15And then you have to do every one of those things, and you have to do every one of them correctly.
01:10:21And if you can figure out all the things that you need to do and do them all right, you're fine.
01:10:26We may get a chance to actually test the uplink capability here in October.
01:10:34It doesn't mean that the antenna would be online, but if we can at least do a test with Voyager in October to say we can send a command to it,
01:10:43then we know that we're out of the woods as far as being able to command the spacecraft.
01:10:47That is the plan, but who knows?
01:10:52I mean, you're talking about mid-70s technology.
01:10:56The future is not certain.
01:11:17I'm the only one here team-wise.
01:11:29The rest of the people that are here right now are our movers.
01:11:35I'll show you what the conference room looks like.
01:11:38We've got essential products and boxes all packed up in there.
01:11:43There's nothing on the walls anymore.
01:11:44Remember all our awards?
01:11:46We've got big trash bins everywhere.
01:11:59I thought that we were very well prepared for the downtime, but we had to tweak things more than we would have since we were moving the facilities.
01:12:16Nasty made the room for us to go back over to the laboratory.
01:12:21We had a lot of things to move, a lot of things to pack.
01:12:25We've been there for like, gosh, close to 20 years.
01:12:28It's more than just taking your plant from one office to the other office.
01:12:35It was all the operations hardware got moved, got upgraded because it's old.
01:12:40So we had to change operating systems.
01:12:42We had some nightmares where some low-level engineer was told to take the network down.
01:12:51And the whole command system that Voyager uses was offline and damaged and it's a bit of the low-tech things that can kill a mission.
01:13:02We struggle, you know, different environment, virtual machines, but in all the adjustments, the new computers, the new ways of doing things, that keeps me going.
01:13:17As you know, a tragedy in the family happened and right in the middle of the pandemic.
01:13:33She always had issues with high blood pressure.
01:13:38When I got home around six, I asked my son, where's your mom?
01:13:44He says, well, she should be at the office.
01:13:47So I called the office, nothing.
01:13:49I asked my son, can you go check on her?
01:13:53And he went and checked on her and he found her on the floor.
01:13:59She had some kind of aneurysm.
01:14:02It was not possible to operate.
01:14:06But we kept fighting for 17 days and that's when she passed away on February 7th.
01:14:13I lost a lot of weight, about 17 pounds, but work keeps me busy.
01:14:36It makes me feel that I needed some place that I have the expertise to take the pleasure past 2025, maybe longer.
01:14:58We did have an initial test last night.
01:15:13We expected to be successful and hopefully everything will go back to normal beginning of next year.
01:15:21As time progresses, we're going to do less and less.
01:15:31Some would say that there are only eight more commands we have to issue on Voyager.
01:15:36And those are the ones that gradually turn down the power consumption until we're to the point where we're sitting at 202 watts and we can't go any lower.
01:15:50The end is coming.
01:15:53And the end may take 10 years.
01:15:56It may take two years.
01:15:58We don't really know, but it's coming.
01:16:01We're going to come into the office one day, expect to see data from this pass, and we won't see it.
01:16:09And then we'll try and get some other antennas and maybe more antennas, try and really see if we can find a signal.
01:16:21And after a week, after a month, after three months of looking for it, if we still don't hear anything, we'll declare the mission over.
01:16:40And so, billions of miles from Earth, the spacecraft, its instruments dead, its mission fulfilled, may end up in orbit about some distant star.
01:17:10So, one of the things that strikes me when I think about Voyager in the early days, there was a time when I was a kid and I had a role in doing something for the very, very, very first time.
01:17:30Star and Voyager are now on a 105 mile high parking orbit, heading down over the South Atlantic on a trajectory which will carry the south.
01:17:39As we get to the end of the mission, it becomes, it's special because it's going to be the last day.
01:18:01I'm sort of looking back, describing how
01:18:09it feels to fly something that's, at the time, only a couple of years old, but in the end, would be 50 years old.
01:18:22There are things that are left behind that are sort of the residue of the work we do, the good friends we have, the people who worked on Voyager,
01:18:50and Voyager, all 1200 of them, mostly gone.
01:18:52Well, it's sad because the mission's ending, so you're not going to get the science back, but I think it's more related to the people.
01:19:18The people will disperse. You won't see them as much. It'll be difficult for the people who are still working on the project.
01:19:26Many of them have worked on the project, if not from launch, then shortly after launch. So they've put their whole career on Voyager, and so to have Voyager in will be, it'll be very difficult.
01:19:40I know the day is going to come. It's like when you see your children grow up, and you kind of feel sad for that at the time, and you kind of feel like, wow, you know, we accomplished something.
01:19:56When you feel that you've gone the extra mile, then I think that you can rest and just let it go.
01:20:10We count every day as a blessing, but we've learned not to bet against the spacecraft, too, because it always seems to find that resilient energy to keep going.
01:20:20And a large part of that is the team, the brilliant engineers and scientists I work with that have found ways to keep it going and delivering top-notch science.
01:20:30The technology is something to behold. If Las Vegas oddsmakers would have had to pay off the optimists that honestly felt as though this mission would be as successful as it is, there would be a few rich people walking around NASA today.
01:20:45The fact is, Voyager beat the odds, incredible odds. And although in any mission of this type there must be a certain degree of luck involved, the human factor cannot be underestimated.
01:20:54I've only worked a couple years on Voyager, but I try to stand on the shoulders of those giants, the people that toiled away in anonymity, keeping these two spacecraft alive.
01:21:07Just to be considered a Cub Scout alongside them, those long-term explorers, I'll take it. It's an amazing honor and privilege.
01:21:18The explorers are the Voyagers.
01:21:23Not us. We're just the drivers.
01:21:28It's like a Lewis and Clark. They were explorers. But let's imagine that they had a guardian angel looking after them.
01:21:48They were not explorers. They were just guardian angels.
01:21:53They were there. They opened up their heads through their slides in the quarry.
01:21:54And of course they were looking after them. They couldn't be shared in time with a furry,
01:21:56but I hope you got a story on mitenary public again.
01:21:58It was movies that wereommen and event such as books.
01:22:01Newede
01:22:03Re 76 moreんですorm tree
01:22:06G Sanjem
01:22:194-3 Voyager Ace
01:22:29Voyager Ace, station 4-3
01:22:33I have you five-bye, how many?
01:22:35I read you the same
01:22:37and we have a command uplink with Voyager 2
01:22:40And I'm ready to copy
01:22:42Please turn command Maran at
01:22:451-9-4-9-0-0
01:22:491-9-9-0-1-0-0
01:22:55and, 1-9-0-0
01:22:571-9-0-0
01:22:592-9-0
01:23:042-9-0
01:23:10Grazie a tutti
01:23:40Grazie a tutti
01:24:10Grazie a tutti
01:24:40Grazie a tutti
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