It's Official: Voyager 1 Is an Interstellar Probe 218
astroengine writes "After a 35-year, 11-billion mile journey, NASA's Voyager 1 spacecraft left the solar system to become the first human-made object to reach interstellar space, new evidence from a team of scientists shows. 'It's kind of like landing on the moon. It's a milestone in history. Like all science, it's exploration. It's new knowledge,' long-time Voyager scientist Donald Gurnett, with the University of Iowa, told Discovery News. The first signs that the spacecraft had left the solar system's heliopause was a sudden drop in solar particles and a corresponding increase in cosmic rays in 2012, but this evidence alone wasn't conclusive. Through indirect means, scientist analyzing oscillations along the probe's 10-meter (33-foot) antennas were able to deduce that Voyager was traveling through a less dense medium — i.e. interstellar space." You can watch NASA's briefing on the probe's progress here.
Obligatory XKCD (Score:5, Funny)
http://xkcd.com/1189/
Re:Obligatory XKCD (Score:5, Insightful)
The Voyager program has helped us define what the "solar system" actually is.
Screw the Obligatory XKCD (Score:5, Insightful)
XKCD is great but I'm with you on this...Voyager's data *literally* defined the solar system for us (i'm sure Randall Munroe is up on this and appropriately stoked)
IMHO there is a greater point here about space exploration.
What *is* space exploration? When something like the humble Voyager 1 probe can continue giving usable data for such a long time, it should cause us to ask, why haven't our other missions been as successful?
The Mars rovers are another example. [xkcd.com] When you consider the scale and complexity of their task, the rovers comparatively performed on par with Voyager 1.
You might say, "We can't plan for what it does after the mission is over, that's kind of the point of having a defined *mission plan*" and to that I say 'hogwash'
It is my firm belief that humans should be taking vacations on Luna *now* and soon stepping foot on Mars. We could do it.
Why aren't we?
I see the same answer in both questions I posed. The best way I can say it is 'operational space research'...
I'm not dogging the Hubble or satellites made to find WIMPS or w/e...I think that it is more a failure of VISION.
Everything we do in space should be based around the notion of iterative progression. Each mission serves a primary function but also has a *secondary* function which is to provide the basis for the **NEXT STEP OUT**
We've been chasing our tails for 20+ years with most of our NASA projects. Don't get me started on the Shuttle and ISS. I won't get into it b/c I get huge downmods every time...
No...my criticism is systemic.
NASA is a tool. Are we using it to its fullest?
Voyager 1's quiet incessant pinging tells me 'no'
Not profitable (Score:3)
It is my firm belief that humans should be taking vacations on Luna *now* and soon stepping foot on Mars. We could do it.
Why aren't we?
Fact is, it's not profitable. Don't read this as merely a critique of our current quarterly-results-focused society (that's another conversational tarpit I'm usually happy to discuss to death), but more as in, will it ever be profitable. With the discovery of H3 reserves in the Moon, you'd think we'd have all the need we could to send folks to stake claims. Realistically, the "in the black" date for such a mission looms decades or centuries in the future. Does any country or corporation have that kind o
profit != we should do it (Score:2)
Corporations living quarter to quarter??? You are dead wrong.
The big 'conquistador' corporations (btw my vision is not a fucking 'conquistador' vision) that exploit resources are the ones with the BIGGEST INCREASE IN PROFITS of all companies that are profitable over the last 10-20 years.
But fsk all that...
'wont be profitable' is a ridiculous argument because everything about going i
record corporate profits evidence (Score:2)
sorry, meant to link to this article but i didn't tag link:
"Corporate profits hit record as wages get squeezed"
http://money.cnn.com/2012/12/03/news/economy/record-corporate-profits/index.html [cnn.com]
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Velcro was conceived in 1941, invented in 1948, and patented in 1955.
Thank you for playing "Fraudulent Reasons to Praise the Space Program". Please take your place behind teflon.
Check your facts next time (Score:2)
Wrong.
The '55 patent covers a variation on the 3-hook bra closure.
Thank you for playing "Fraudulent Evidence that I provided no links for."
Please take your place behind blah blah your an idiot
Necessity (Score:3)
is the mother of invention...
exactly my point...pushing ourselves to other worlds is the next logical step
you really proved my point for me there...
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Thank you for asking these questions in exactly the right place. I would like to offer you some answers to your questions. At first I tried to answer them from bottom to top, but I found out that each question has some relation to the previous one, so I did it top to bottom. My sincere excuses for the delay coming forth from my misconception. Again, this IS the best place to ask these questions! For your convenience I have put a 'Q' in front of your question, and an 'A' in front o
A this Q 4 me homeboy (Score:2)
Could you answer this part of my origninal post? It's a question I posed...since you seem so intent on pedantically and patronizingly answering all my questions, I'm fairly surprised you missed it:
I guess you could say my Curiosity [wikipedia.org] is piqued...
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When something like the humble Voyager 1 probe can continue giving usable data for such a long time, it should cause us to ask, why haven't our other missions been as successful?
FYI, the Voyager program was a happy accident. It was designed as part of the Grand-tour of the outer planets that could only happen because of rare alignment of the outer planet that apparently only occurs every 176 years. W/o this alignment and the mutiple gravity assist trajectories available, there would be no Voyager program because the budget to keep the ground support going for the duration of such a long journey was not in the cards (even the actual Voyager mission was a scaled down version of the
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Why aren't we?
The same thing could be said about maintaining our natural spaceship, it's life support system is collapsing, why aren't we fixing that? If we can't build a self-sustaining biodome on Earth where there are few limits on the initial raw material, what makes anyone think we can do it on Mars?
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Every mission advances the state-of-the-art in space exploration in some way.
For example, Pathfinder (1996) landed a 10 kg rover on Mars. Next, MER (2003) landed two 180 kg rovers. Most recently, MSL (2011) landed a 900 kg rover.
Another example, Giotto (1986) approached a comet within 590 km. NEAR (1996) orbited an asteroid within 35 km. Finally, Deep Impact (2005) collided with a comet. There are now proposals for a rendezvous with an asteroid (i.e., land on it).
I believe you answered your own questi
Re:Obligatory XKCD (Score:5, Funny)
"No, we really mean it this time!"
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"No, we really mean it this time!"
Maybe!
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Astronomy_Is_In_Solar_System(X,Y,Z)
Is deprecated, please call
Astronomy_Real_Is_In_Solar_System(X,Y,Z)
Prepared statements can't help you this time.
Re:Obligatory XKCD (Score:4, Funny)
Fool me once, shame on — shame on you. Fool me — you can't get fooled again.
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The next big step will probably be when it gets a ticket for "flying outside our private property without a license plate"
Re:Obligatory XKCD (Score:5, Funny)
In mothers voice, "Damn it Voyager, In or out make up your mind and close the damn door."
Re:Obligatory XKCD (Score:4, Informative)
Slashdot companion:
http://science.slashdot.org/story/13/09/12/1822239/its-official-voyager-1-is-an-interstellar-probe [slashdot.org] 12 September 2013
http://science.slashdot.org/story/13/06/30/1318227/voyager-1-finds-unexpected-wrinkles-at-the-edge-of-the-solar-system [slashdot.org] 30 June 2013
http://science.slashdot.org/story/13/03/20/1757256/voyager-1-officially-exits-our-solar-system [slashdot.org] 20 March 2013
http://science.slashdot.org/story/12/12/04/039257/voyager-1-so-close-to-interstellar-space-that-we-can-taste-it [slashdot.org] 03 December 2012
http://science.slashdot.org/story/11/12/07/2127247/voyager-1-exits-our-solar-system [slashdot.org] 07 December 2011
http://science.slashdot.org/story/05/09/26/1736216/voyager-1-sends-messages-from-the-edge [slashdot.org] 26 September 2005
http://science.slashdot.org/story/05/05/24/2334240/voyager-1-crosses-the-termination-shock [slashdot.org] 25 May 2005
http://science.slashdot.org/story/03/11/05/2019204/voyager-1-reaches-interstellar-space [slashdot.org] 05 November 2003
In vain does the God of War growl (Score:5, Interesting)
"In vain does the God of War growl, snarl, roar, and try to interrupt with bombards, trumpets, and his whole tarantantaran
- Johannes Kepler
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With everything going on in the world I'm reminded of a hopeful quote: "In vain does the God of War growl, snarl, roar, and try to interrupt with bombards, trumpets, and his whole tarantantaran ... let us despise the barbaric neighings which echo through these noble lands, and awaken our understanding and longing for the harmonies."
- Johannes Kepler
Ironically, Kepler was a Monotheist so his own thoughts speak with equal measure to the paganism of the past.
Congrats! (Score:4, Funny)
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"What's dropping out of the airplanes these days?!?!
Thordammit, look at my TV!"
LOL ... (Score:2)
Well, this is, what, the 3rd time it's been 'official'?
I think I'll wait a few months before I believe it's officially official.
That's not to say this isn't highly cool -- I just am quite certain I've seen several variations on this over the last few years.
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Most definitely. There were different times when it seemed like it had, and perhaps had, but I think at each phase, scientists were in disagreement upon what actually constitutes the edge of the solar system. I believe now, they're (at least mostly) completely in agreement.
Very cool, though!
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Re:LOL ... (Score:5, Insightful)
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We'd have been overrun by idiots wielding clubs long ago.
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Re:LOL ... (Score:5, Informative)
What they are actually announcing is that the data shows that it left the solar system in August of 2012. The news over the last year was that they weren't sure if it had left yet. The news now is that it did leave, a little over a year ago.
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Well, this is, what, the 3rd time it's been 'official'?
So now we have a Probe that's going in and out and in and out . . .
NASA Visualization (Score:5, Informative)
NASA appears to have a nice visualization of the spacecraft's position and the particle flux...
http://eyes.nasa.gov/launch2.html?document=$SERVERURL/content/documents/voyager/voyager_exit.html
Thanks Obama! (Score:4, Funny)
We have plenty of our own problems here on Earth! Why is a government-built probe going into interstellar space? Is Obama trying to make health-care truly "universal"? I suppose if our own "illegal aliens" get free health care, why shouldn't Andromedans?
Keep alien overlords out of my health care!
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You got Poe'd.
Re:Thanks Obama! (Score:5, Funny)
Woosh...
The sound of Voyager leaving the solar system..... over your head. :-)
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But there's no "woosh" in interstellar space; thinner medium.
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part of the joke. :-)
It's a meta-joke.
oooooohhhhh
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Welcome to Slashdot. I see you are new to Slashdot as your sarcasm filters are apparently off. Please go to your internal settings and turn them on to continue to participate.
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I think you may need to adjust the subtlety of for your sarcasm detector.
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How many times has it left? (Score:3)
Seems like every few months, for the last 5 years, there's been a new claim that it has left the solar system.
Re:How many times has it left? (Score:5, Informative)
Probably confirms the heliosphere isn't static and distorts; the edge has probably legitimately washed over Voyager that many times.
XKCD has a count. (Score:2)
XKCD's count of how many times Voyager has left the solar system. [xkcd.com]
I'm telling you... (Score:2)
Bark at the moon (Score:2, Funny)
Putin to America: You're Not Special [cnn.com]
I'm sorry, Mr. Putin. I can't hear you over the sound of our own awesome.
Re:Bark at the moon (Score:5, Funny)
Kudos to Harold Lippschitz (Score:5, Interesting)
Seventy four year old Harold Lippschitz, chief proponent and designer of Voyager's antenna oscillation meters, was quoted as saying, "Ha ha! They laughed at me years ago at NASA! I told them, 'You're gonna want those damn oscillation meters, they're important!', but the other guys just rolled their eyes and shook their heads. 'There goes Harold again,' they said. 'Jabbering about his damn little meters.' Well, who's laughing now, motherf***ers? Ha HA!"
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then I'm just glad they didn't laugh at his death ray
Faster way of reaching interstellar space (Score:2)
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It wasn't. The real work was done as it past the gas giants.
Re:Faster way of reaching interstellar space (Score:5, Informative)
Correction (Score:2)
It's Arbitrary: Voyager 1 Is An Interstellar Probe, Probably
Ouch! (Score:2)
Alright, who is probing my intersteller?
Really? (Score:2)
I think they just gave up trying to quantify if it has actually left the solar system after years of false positives and debate, so they just made it official. 99.999999999% of us are not going to check, so its safe bet.
Slightly off topic, but now that Voyager has officially left the solar system, I hope that NASA could spend some time and explain to JJ Abrams that the Enterprise would not actually leave vapor trails that flutter and make a tinkling sound when it goes to warp since light does not crystalli
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No one hears your nerd rage.
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V'Ger is next (Score:2)
Beware all carbon-based life forms infecting planet Earth: ST:TMP [imdb.com]
[after Spock comments that, mentally, V'ger is a child]
Commander Leonard 'Bones' McCoy, M.D.: Spock, this "child" is about to wipe out every living thing on Earth. Now, what do you suggest we do? Spank it?
Commander Spock: It knows only that it needs, Commander. But, like so many of us... it does not know what.
And in a few hundred years... (Score:2)
Voyager shall return to Earth from the Delta Quadrant with a non-plussed Captain, an uptight Hologram, a pointy eared Brother and a Cyborg.
Or was that Red Dwarf?
Is it strange that this is sort of a tear jerker? (Score:5, Interesting)
Nasa launches this probe, about the same year that I was born, to study Saturn and Jupiter. Everything goes beautifully so it just keeps on flying. On Valentine's day 1990 just as it's about to leave the solar system they spin the camera around to take the "family portrait". Today it exits the solar system(I know for the 12th time or whatever). Now it just wanders off into the darkness while it's reactor runs down and it's systems shut off one at a time. Who knows, in a few billion years when the sun bakes this planet the golden record might be all that's left of us. Kind of like "The Inner Light" episode of Star Trek, but with less flute.
Re:Is it strange that this is sort of a tear jerke (Score:5, Informative)
Who knows, in a few billion years when the sun bakes this planet the golden record might be all that's left of us. Kind of like "The Inner Light" episode of Star Trek, but with less flute.
Should be pointed out that this is the first, not the only, man made object on a straight course for interstellar space. It will be joined not only by it's sister Voyager probe, but also the Pioneer 10 & 11 probes with their golden plaques, and the New Horizons mission with its CD. All in all, we're getting pretty good at littering the cosmos with our civilization's mementos.
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There was no Star Trek V - it jumped straight from IV to VI! Now if only they'd make the prequels to the Star Wars movies...
[TMB]
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Should be pointed out that this is the first, not the only, man made object on a straight course for interstellar space. It will be joined not only by it's sister Voyager probe, but also the Pioneer 10 & 11 probes with their golden plaques, and the New Horizons mission with its CD. All in all, we're getting pretty good at littering the cosmos with our civilization's mementos.
Let's see. Five pieces of litter. Volume of space littered (once they all cross into interstellar space): ((Pi*(24 billion miles)^3)/6)/5 = one peice of litter per 1.45*10^30 cubic miles. That is one piece of litter per 1.45 million trillion trillion cubic miles.
You call that littering!?* We need to do at least a trillion trillion times better than that!
*Where is my interrobang key when I need it?
Dupe! (Score:5, Funny)
March 2013 [slashdot.org]
December 2011 [slashdot.org]
December 2010 [slashdot.org]
May 2005 [slashdot.org]
November 2003 [slashdot.org]
Is it too much to ask that the editors do their jobs and search for dupes before approving a submission?
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I'm not sure if you're joking or not but just in case you aren't, we don't have a completely solid understanding of where exactly the solar system ends. That's why this comes up like this. Well that and slashdot dupes.
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Nicely done, and EXACTLY what I was thinking...
I COULD read TFA, but no. I think I'll wait until next week, when some NASA scientist announces that Voyager I is STILL in the solar system, and why the theory/sensors/calculations were wrong. Then the week after that, NASA will announce again that Voyager I is in interstellar space "for real this time..." Repeat, ad-nauseum.
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No, it's not (Score:2, Interesting)
No, it's not. It's kind of like landing on the moon only if they claimed they "landed" on the moon 1000km from the surface, and kept reporting that once again they've "landed" on the moon (officially now!) every 5km thereafter.
not the furthest out human made object (Score:2)
This is probably not the first human made object to reach interstellar space.
The real furthest object is a man hole cover.
During testing of nuclear weapons they were doing tests underground. They had a nuclear weapon at the bottom of a long shaft.
On top of the shaft was a metal cap.
It's not known how fast it is going or if it actually left the atmosphere but if it did survive it would have been going really fast
http://en.wikipedia.org/wiki/Operation_Plumbbob [wikipedia.org]
That's pretty damned fast! (Score:2)
The fastest plane that has ever flown on earth is the SR71 blackbird [wikipedia.org] and it topped out at around 2,200 mph. This humble probe beat it by a long shot.
Of course, Voyager doesn't have to worry much about friction, or gravity... But still an impressive speed.
V'ger's future (Score:2)
Off on it's way to become V'ger, come back looking for its creator, build a probe in the image of a carbon unit, then merge with a carbon unit, leave our dimension, and finally, some suspect, go psychotic and eventually evolve into the Borg.
Summary is wrong (Score:2)
Summary appears to be wrong.
"...were able to deduce that Voyager was traveling through a less dense medium — i.e. interstellar space."
Interstellar space is apparently 40 times more dense than space in the solar system. The solar wind pushes the particles back to the edge of the solar system, making the plasma more dense at the edge (not less dense).
To quote from NASA
http://www.jpl.nasa.gov/news/news.php?release=2013-277 [nasa.gov]
"Voyager 1's plasma wave instrument detected the movement. The pitch of the oscilla
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"but it is, now"
Re:voyager has left the solar system. (Score:5, Funny)
They use the same math behind the Vista file copying progress bar to judge its distance.
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Well, in fairness, any "x minutes to completion" is based on a projection -- you'd need to invent time travel to actually get it 100% right. This is true on any platform with a progress bar with a completion time in it.
So, at any given time you can make an estimate, but that's about it. If other things are happening which affect the estimate, it will change.
Mostly they're there to give you something to look at and let
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in fairness
Well, in fairness, there are good estimations, and there are bad estimations.
And then there's Vista.
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The problem is that the UI needs to show BOTH:
ABSOLUTE bytes copied SO FAR (as in the "past)
RELATIVE time left (as in the "future")
Showing one (or the other) is not giving the user all the information they may need / want.
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And yet, XP, Win2K3, Win2K8, and Win7 are all far more accurate. . .
Re:What's powering Voyager? (Score:5, Informative)
Voyager is nuclear.
It has about 10 years of power left.
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You'd be wrong. Voyager's power source is radiothermal. Past... not sure, Jupiter's orbit? there's not enough sunlight for photovoltaics to work effectively.
https://en.wikipedia.org/wiki/Radioisotope_thermoelectric_generator [wikipedia.org]
Jupiter Juno Probe is solar (Score:2)
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In a rare case of something getting done, Congress voted to let NASA make some more RTG-grade plutonium earlier this year.
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We could always make nice with North Korea or Iran and buy theirs. . . ;)
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By now its definitely running on Unicorn farts.
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I'd rather hear something about NASA work every day than the shit that graces my news channels.
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Well, it didn't fall threw a black hole.
Besides Star Trek is only a few hundred years in the future. If trek was real life (it isn't), that would mean right out of our solar system is black hole, which I would say would be kinda scary.
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Dude! Add a Spoiler alert before you let out a secret like that!!!
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> If trek was real life (it isn't),
Thank you for clarifying that. ;)
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It sounds like a definition of the edge of the solar system is where the interstellar wind overtakes the solar wind. There is a line there, on one side of the line the solar wind is blowing away from the sun, and on the other side of the line the interstellar wind is blowing towards the sun. The line is where the force of the two is the same.
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Voyager 2 is not headed toward any particular star, although in roughly 40,000 years it should pass 1.7 light-years (9.7 trillion miles) from the star Ross 248. And if left alone for 296,000 years, Voyager 2 should pass by the star Sirius at a distance of 1.32 parsecs (4.3 ly, 25 trillion miles). Voyager 2 is expected to keep transmitting weak radio messages until at least 2025, over 48 years after it was launched. (wikipedia)
So, assuming it isn't deflected by something we're currently unfamiliar with, the
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Does anyone know what direction it's headed? Towards any particular star?
The relative motions of stars in our vicinity is many order of magnitudes higher than the velocity of the probes relative to the sun. They have no meaningful velocity toward any other star system. The future encounters with star systems have to be projected statistically through the theory of random processes.
Re:Depends on definition of interstellar (Score:5, Interesting)
Since the Oort cloud lies beyond the heliopause, and is bound to our sun by gravity, how can we say that Voyager has "really" entered interstellar space? Shouldn't true interstellar space be a distance from the sun where nothing is bound directly to Sol by gravity? Where another star has equal pull on an object? Voyager I is currently far from that point in space.
The claim is that it is in interstellar space: i.e. the interstellar medium that pervades the space between star systems. This has nothing to do with gravitational binding of other distant objects. The Oort Cloud is without question in interstellar space, despite very weak gravitational binding to the sun (solar escape velocity there about 100 mph).
Going by the gravitational binding argument you could claim that all five probes "left the solar system" the instant they achieved solar escape velocity and was no longer bound to the sun.