Engineers are confident that shutting down the LECP will give Voyager 1 about a year of breathing room. They are using the time to finalize a more ambitious energy-saving fix for both Voyagers they call β€œthe Big Bang,” which is designed to further extend Voyager operations. The idea is to swap out a group of powered devices all at once β€” hence the nickname β€” turning some things off and replacing them with lower-power alternatives to keep the spacecraft warm enough to continue gathering science data.

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[–] 131 points 6 months ago (7 children)

What a badass little craft to have kept operating for so long. 🫑

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  • [–] 81 points 6 months ago (5 children)

    Check out AMSAT-OSCAR 7 -- Closer to home, but launched in 1974, and still waking up when there's sun to operate. It's the oldest "operational" satellite still up there. https://en.wikipedia.org/wiki/AMSAT-OSCAR_7

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  • [–] 10 points 6 months ago (2 children)

    AMSAT = Amateur Satellite! Holy shit. Amateur, my ass.

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  • [–] 103 points 6 months ago (6 children)

    RTGs are subject to the issue of half-life - this is a consequence of that type of power source. Though, let’s be honest: we do not have any other sort of power generation technology that would be viable for literal decades on an interstellar space probe. And we definitely didn’t have a better alternative when they were launched.

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  • [–] 74 points 6 months ago (4 children)

    For roughly three milliseconds I thought to myself they shoulda used solar panels instead.

    "Oh, wait...."

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  • [–] 39 points 6 months ago (3 children)

    Well they could power a lamp that shines on the solar panels.

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  • [–] 93 points 6 months ago* (1 child)

    NASA's Voyager engineers are like the final evolution of your uncle that keeps his 1974 Chevy C/K running at 400,000 miles. It's the same autism across an ocean of resources.

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  • [–] 47 points 6 months ago

    Actually basically yes. NASA has had decades of practice at minimum viable operation capability, making their spacecraft and rovers all but drag themselves along even when anything else would stop working.

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  • [–] 57 points 6 months ago (5 children)

    It is amazing they can detect and communicate to something with such a weak signal so far away.

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  • [–] 41 points 6 months ago (2 children)

    So far away that it takes an entire day to get the signal to it. The earth to the sun is 8 minutes.

    And somehow we can still talk to it. It's amazing.

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  • [–] 2 points 6 months ago

    I was actually looking into this a little bit recently and it turns out the Voyager spacecraft launched with 23 watt radio transmitters but at the distance it takes a 72 meter dish to capture the signal and at its capture it is one attowatt. I don't remember my system right offhand, but it's something like a billionth of a billionth of a watt. It's stupidly small.

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  • [–] 115 points 6 months ago (11 children)

    Why can't we be as forward thinking as the people who created the voyager probes?

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  • [–] 118 points 6 months ago (5 children)
  • [–] 33 points 6 months ago (2 children)

    Jesus that is a sobering figure I did not need to see today.

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  • [+] -8 points 6 months ago

    It actually doesn't really show much, except maybe that inflation exists and people generally have more money now.

    If it's supposed to show how the rich are getting richer and the poor are getting poorer, it does a lousy job. It's practically impossible to see the relative change between the groups, since the lower two graphs' behaviors are impossible to see. The only thing that can at least somewhat be seen is that the top 10% and the top 1% grow quite correspondingly.

    So, basically that graph shows that everything seems to be as fair as it has always been. Probably wasn't the intention, and certainly not a good representation of what's happening. It's very possible that the top 1% is included also in the top 10% and dominates it, but just based on that graph it's impossible to know.

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  • [–] 4 points 6 months ago (1 child)

    There is no way that disparity is that close.

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  • [–] 1 point 6 months ago* (last edited 5 months ago)

    The chart is at about 1.5% of the way from displaying a billionaire, with Muskrat being 800,000 times higher than the top of this chart. The 1% are not the problem, they are one in a hundred. The practically unbounded wealth of a handful of people above this chart is our problem, the world's problem, humanity's problem.

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  • [–] 50 points 6 months ago (2 children)

    Voyager 1 was launched in 1977 - just before the Reagan era. Coincidence?

    Also, and I'm still just guessing here, it's probably the culmination of the space race to the moon minus the pressure to be there before the Russians.

    In other words, NASA's Golden Age.

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  • [–] 35 points 6 months ago* (last edited 6 months ago) (3 children)

    Only 49 years!

    Enshitification.

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  • [–] 24 points 6 months ago

    It's quite a feat of engineering to have something run this long - and without having physical access to it.

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  • [–] 24 points 6 months ago

    Here are Images Voyager Took.

    I have no idea how to sort them by recency; I'm guessing it's not sending such expensive data anymore, but what are the most recent (and furthest) images?

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  • [–] 63 points 6 months ago (1 child)
    [–] 15 points 6 months ago (6 children)

    When is the next conjunction of planets that enabled the Voyager missions happening and are we preparing for it?

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  • [–] 16 points 6 months ago (5 children)

    The Voyager mission launched in 1977. If I recall correctly, it takes roughly 80 years for the planets to realign for that purpose. If I didn't misremember, we're about halfway through waiting.

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  • [–] 17 points 6 months ago (4 children)

    1977....

    Roughly 80 years

    If I didn't misremember, we're about halfway through waiting.

    A bit more than halfway, although sometimes I am shocked by how long ago 1977 was. Wasn't it just, like, 30 years ago or so?

    It can't possibly be 49 years ago, can it?

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  • [–] 12 points 6 months ago (3 children)

    2026 is to 1977 like 1977 is to 1928. 🫣

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  • [–] 4 points 6 months ago (2 children)
  • [–] 25 points 6 months ago (1 child)

    This is so fuking cool

    I am filled with pride that we collectively made something that will likely out live our sun, and we continue to find ingenious ways to keep it going and going

    What a cool time to be alive

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  • [–] 17 points 6 months ago

    I remember when both Voyagers were making their fly bys. We'd get a bunch of images in magazines and stuff, and then wait several more years for the next planet. Between that and the Space Shuttle flights it was awesome.

    I wasn't around for the moon landings so Skylab and Voyager were the highlights of my days.

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  • [–] 21 points 6 months ago (7 children)

    which would shut down components on its own to safeguard the probe, requiring recovery by the flight team β€” a lengthy process that carries its own risks.

    Uhhh... how the fuck are you planning on recovering it?

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  • [–] 30 points 6 months ago

    I think what they mean is that if the thing starts shutting stuff down on its own, the process to get those things started again is tedious. While if the humans tell it to shut things down, it is all more orderly.

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  • [–] 3 points 6 months ago (2 children)

    That bit confused me as well. I'm thinking in case the launch and deployment failed, they could get it back much more easily

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  • [–] 24 points 6 months ago (1 child)

    This thing launched 50 years ago, it and it's sister probe are farther from earth than anything else by multiple orders of magnitude, they're literally outside the sun's influence. We obviously aren't getting them back so recovery must mean recovery to an operational state

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  • [–] 6 points 6 months ago

    Thanks for the uplifting news!

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  • [–] 5 points 6 months ago (13 children)

    would be great to have some solar that would power a beacon or something if it ever entered another star system.

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  • [–] 15 points 6 months ago (5 children)

    Radiation and cold would have killed any electronics long before it would get to another system. And with the electronics dead, nothing would be able to tell the beacon to activate.

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  • [–] 1 point 6 months ago (3 children)

    Is there radiation between stars? I'm sure it's cold tho.

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  • [–] 4 points 6 months ago (2 children)

    Plenty. Unfortunately it's mostly the nasty damaging kind, rather than the sort that can be turned into power. It also doesn't take much damage to add up, when you're dealing with large millennia time scales.

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  • [–] 2 points 6 months ago (1 child)

    The damaging kind necessarily carries enough energy to cause damage, what's preventing it from being harvested?

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  • [–] 2 points 6 months ago

    Imagine you have a paper balloon setup. It randomly takes hits from a high powered rifle. In theory, you could harvest the energy. However, it's delivered in such powerful, random bursts that capturing it is difficult.

    Gamma rays punch straight through the structure of the craft. The actual energy is small (around 1/1,000,000 of a joule), but it's so focused that it damages anything it hits. If it hits the atoms in a transistor, that transistor gets ripped up at an atomic level.

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  • [–] 3 points 6 months ago (6 children)

    Wait does solar power work with other suns? Or just our sun (Sol)? Or just yellow dwarf suns?

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  • [–] 2 points 6 months ago

    as @zalgotext@sh.itjust.works said. it should depend a bit on how its made. there have been things about making panels that would absorb frequencies we have at night. There are trade offs. I was under the impression that the reason plants are green is because they specialize on the red side which is more prevalent and then the blue because its the most energetic or something. Also I was under the impression most stars look basically white but the color thing is based on spectrums that predominate but like when you look at the sun it looks white and even a red star would look mostly whitish.

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  • [–] 11 points 6 months ago (2 children)
  • [–] 7 points 6 months ago
    [+] -11 points 6 months ago (7 children)

    One would think we should just ship it some upgraded parts on a door dash rocket, since we presumably have far better technology now.

    No? No? Oh well I guess the USA is not that great then,

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  • [–] 20 points 6 months ago (5 children)

    The problem is that you're not just sending parts out there. You have to:

    • get the upgrade rocket going fast enough to actually catch up with something going very fast with a 20 year head start
    • slow down once you get to it.
    • make the upgrades while floating in space on a piece of hardware that was designed not to be upgraded and built on earth (hope you don't need gravity for disassembly) that you control on a 30 minute delay.

    At that point we could just launch a whole new satellite with better hardware, going faster, and covering a completely different area of space. Which is what we have done. But we can still make use of the system we have out there. It's still the furthest out, so it's still worth using for as long as we can

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  • [–] 1 point 6 months ago (1 child)

    That's a fair point. And I hear the transmissions they send and receive are making even scientific appliances from the 90s onwards look like bitches. My math might be far off but isn't a transmissions from the Voyager currently reaching us at a power about six orders of magnitude lower than a pin falling on the ground? And the dishes still catch them.

    ("In space no one can hear you scream" my ass)

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  • [–] 1 point 6 months ago (2 children)

    We haven't sent anything away from the sun faster than Voyager 1. It's still the fastest.

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  • [–] 5 points 6 months ago (1 child)

    Isn't a major challenge of trying to surpass Voyager 1 that it had extremely good conditions for slingshotting off a lot of planets?

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    [–] 51 points 6 months ago (2 children)

    It never fails to fill me with absolute respect and awe for the people who build them, that the Voyager probes have gone so far and done so much for so long. It's remarkable, and inspiring.

    And the fact that they not only still work, but were made in such a way that individual instruments could be shut off in order to divert power to others and keep the thing alive for longer is just the icing on the cake. Just incredible.

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  • [–] 16 points 6 months ago

    The Voyagers were the first spacecraft that could be reprogrammed after launch. When they launched the technology to get pictures back from Neptune and Uranus didn’t exist yet nor had the code Voyager needed to do it been written yet.

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  • [–] 11 points 6 months ago (4 children)

    conserve energy by shutting off heaters and instruments while making sure the spacecraft don’t get so cold that their fuel lines freeze.

    Fuel?! Voyager has fuel?

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  • [–] 15 points 6 months ago (3 children)

    Well it doesn’t have a tank of gasoline and an engine, if that’s what you mean. I think the article is using simplified language, but yeah if they get too cold then the hydrazine lines for the course adjustment thrusters will freeze up and then the antenna will drift out of alignment with earth and we won’t be able to communicate with it anymore

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  • [–] 6 points 6 months ago (2 children)

    I knew it had RCS, but I didn't expect it to still have any juice left. I assumed the antenna was aimed with an electrical tilting base. It's fixed?

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