After 37 Years Voyager 1 Fires Up Thrusters

05 Декабря, 2017, 01:53 | Author: Dustin Murphy
  • Voyager depicted in this NASA artist concept handout image is still sending data back to Earth daily more than 40 years after its launch

And even after Voyager 1 dies - or if we lose contact with it - the spacecraft is ready to achieve great things.

Voyager 1 and 2 - both launched in 1977 - have been exploring farther-flung planets in our solar system.

The MR-103 thrusters, provided by Aerojet Rocketdyne, are created to fire in pulses to rotate the spacecraft and keep its 12-foot (3.7-metre) antenna pointed at Earth, but engineers have noticed more firings were needed recently, indicating the jets were losing some of their performance.

Since 2014, engineers have noticed that the thrusters Voyager 1 has been using to orient the spacecraft, called "attitude control thrusters", have been degrading. According to Voyager project manager Suzanne Dodd, the reactivated thrusters should help extend the life of the probe for another "two to three years".

Voyager 1 is the only human-made object flying outside of our solar system, and it's still communicating with Earth by way of the Deep Space Network, which allows engineers to send it instructions. The last time these thrusters were active was in November 1980, when the probe zipped by Saturn.

As NASA announced last Friday, Voyager 1's been using its "attitude control thrusters" (ACMs) for decades, to nudge the probe so that its antenna points at Earth and it can stay in touch. Now, nearly four decades later, they've come back to life without a hitch to take over for the failing attitude control thrusters.

Читайте также: Supermoon to light up the sky this weekend

Lo and behold, on Wednesday, Nov. 29, they learned the TCM thrusters worked perfectly - and just as well as the attitude control thrusters. The radio waves traveled for 19 hours and 35 minutes before reaching Voyager 1 13 billion miles away; 19 hours and 35 minutes after that, they got the results of their little experiment.

"The Voyager team got more excited each time with each milestone in the thruster test. The mood was one of relief, joy, and incredulity after witnessing these well-rested thrusters pick up the baton as if no time had passed at all", said Todd Barber, a propulsion engineer at the Jet Propulsion Laboratory in California.

The plan going forward is to switch to the TCM thrusters in January.

Voyager 1 will switch back to its other thrusters once the probe no longer has enough power for the heaters, officials said.

The JPL will also test out the TCM thrusters on Voyager 1's twin, Voyager 2, although NASA says that that spacecraft's attitude control thrusters are in better shape.

Scientists expect Voyager 2 to make the crossing into interstellar space within a few years, heading in a different direction from the sun.

При любом использовании материалов сайта и дочерних проектов, гиперссылка на обязательна.
«» 2007 - 2017 Copyright.
Автоматизированное извлечение информации сайта запрещено.

Код для вставки в блог

Recommended:

  • Pep Guardiola Reveals What He Said In Angry Exchange With Nathan Redmond

    Pep Guardiola Reveals What He Said In Angry Exchange With Nathan Redmond

    Nothing negative or offensive was said towards me from Pep and that's what makes him one of the best managers in world football. Manchester City's unbeaten start to the season has left Pep Guardiola believing that his side are capable of beating anybody.
    Civic polls indicate farewell for Rahul, Akhilesh: Adityanath

    Civic polls indicate farewell for Rahul, Akhilesh: Adityanath

    Independent Rajendra Kumar Singh won the Sirathu Nagar Pacnhayat seat while SP's Urmila Devi emerged victorious in Karari Nagar. He credited the victory to Prime Minister Narendra Modi's vision and BJP chief Amit Shah's guidance.
    Vitter, Bjork speak on NCAA infractions case in press conference

    Vitter, Bjork speak on NCAA infractions case in press conference

    Most debilitating in that regard is an additional bowl-ban season and the loss of 13 scholarships over the next three years. Bjork added that citing a rules violations case from more than 30 years ago "is not applicable to our current case".
  • Coalition with Merkel not automatic, all options open: Germany's SPD

    Coalition with Merkel not automatic, all options open: Germany's SPD

    Schulz, a former president of the European Parliament, is pushing for changes in Germany's approach to the European Union and in economic and social policy.
    Hoffman leads, but Tiger left smiling again

    Hoffman leads, but Tiger left smiling again

    On the par-five third his eagle putt from just off the green went just wide but left him with an easy birdie. Woods had a 68 and finished five shots behind Charley Hoffman . "I just played solid".
    Nigeria eye shock win after Argentina SWC draw

    Nigeria eye shock win after Argentina SWC draw

    The Super Eagles of Nigeria have been seeded with Argentina , Iceland and Croatia for the 2018 World Cup in Russian Federation . Iceland will arrive in Russian Federation as less of a surprise after its stunning European Championship debut a year ago .
  • Ex-Yemeni President Killed by Huthi Rebels

    Ex-Yemeni President Killed by Huthi Rebels

    The forces of the former Yemeni president regained control over the cities and areas under the control of the Houthis. Houthis have recently turned on Saleh, however, and said Monday that they had killed their former ally.
    Senate Passes $1.4 Trillion Tax Cut Legislation

    Senate Passes $1.4 Trillion Tax Cut Legislation

    They want a " trigger " mechanism that would impose automatic tax increases to provide revenue if growth fails to materialize. Pass-through income would still get taxed at individual tax rates, but those business owners would have the deduction.
    Margot Robbie working on her very own solo Harley Quinn film

    Margot Robbie working on her very own solo Harley Quinn film

    She told them: "It's hard to kind of talk about it because all this stuff is under like, kind of lock and key". In September, Warner Bros. finally tapped Gavin O'Connor ( The Accountant ) to helm Suicide Squad 2 .
  • LaVar Ball pulls LiAngelo Ball out of UCLA

    LaVar Ball pulls LiAngelo Ball out of UCLA

    LaVar Ball said that he has yet to inform the UCLA coaching staff that he is pulling LiAngelo . "So basically they're in jail here", Ball added.
    Morocco's Benatia looking forward to Fifa World Cup games

    Morocco's Benatia looking forward to Fifa World Cup games

    The Iranians fans deserve a special World Cup preparation. "Spain is naturally favorite, as I've always said". Renard added that his team is going to play its matches in St.
    PUBG runs at 30FPS on all Xboxes, even Xbox One X

    PUBG runs at 30FPS on all Xboxes, even Xbox One X

    There are still plenty of things wrong with the game and PlayerUnknown's Battlegrounds is starting to play the price. The game is still in Early Access, which means that it isn't finished yet and its development is ongoing.


Popular

Bill O'Reily, Fox News Sued for Disparaging Female Accuser
Fox News severed its relationship with O'Reilly in April amid mounting harassment claims. O'Reilly was sacked on April 19 from Fox News after a 20-year run at the cable network.

Coach Scott Frost: 'When it came down to it, this is home'
Frost said he didn't think Osborne would have done that if he didn't honestly feel it was the best move for him. Fans played husker trivia, had celebratory drinks and cigars, and cheered when Frost arrived at the podium.

Clemson-Alabama, Oklahoma-Georgia set for playoff semis
Which teams make it to the National Championship Game? The great Alabama-Ohio State debate wasn't the only big controversy. We say likely and probably because the bowl assignments weren't immediately revealed when the top four was.

Apple iOS 11.2 released, fixes big bugs, rolls out Apple Pay Cash
It claimed that Apple is aware of the issue and is working on a fix for a future patch to iOS 11. It also introduces Apple Pay Cash , faster wireless charging , and various big fixes.

Missing Florida teen found with soccer coach in Syracuse
According to authorities in Florida, the teen left her home on her own and left her cell phone after wiping the device clean. A photo provided to ABC News by the family on Saturday showed Frisina smiling while embracing her parents.

What they're saying about Jimbo Fisher's departure from Florida State
I am confident we will fill the position very soon. "I've been waiting to come to this school and it's like really upsetting". Jimbo Fisher is leaving Florida State for Texas A&M, four years after leading the Seminoles to their third national title.

Mariah believed to be dead; mother's live-in boyfriend arrested
He is charged with concealing of death, obstruction, second-degree burglary, felony larceny and possession of stolen property. The FBI said because of evidence gathered, it believes that Mariah is dead but no body has been recovered.

Bigg Boss 11: When Shilpa Shinde was saved from a wardrobe malfunction
The contestants are allowed to show their support by dancing for their favorite DJ who they see as the next captain. Vikas and Priyank were really good friends initially, but their relation grew bitter with passing days.

Paul Manafort's Chinatown apartment is part of his $11.7M bail deal
President Donald Trump's ex-campaign manager Paul Manafort has made a bail deal worth about $11.7 million with prosecutors. Manafort, an worldwide political consultant, has surrendered his passports and agreed he won't travel overseas.

Padmavati parliamentary meeting: BJP wants ban, TMC and Congress back film
Responding to a query from members, Joshi is learnt to have said that the promos and songs of Padmavati had been certified. "So long as controversy about the film does not subside, the film would not be released in Bihar".

Tendencies