October 5, 2024

thec10

Super Technology

Voyager 1 Talks Some Nonsense, But Is Still Working

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The Voyager 1 interplanetary probe was launched in 1977 and has now reached interstellar space where it is the furthest-traveled man-made object. It’s hugely exceeded its original mission and continues to return valuable scientific data, but there’s an apparent fault which is leaving its controllers perplexed. Onboard is an attitude control system which keeps the craft’s antennas pointing at Earth, and while it evidently still works (as we’re still in touch with the probe) and other systems are fine, it’s started returning incomprehensible data. Apparently it’s developed a habit of reporting random data, or states the antenna can’t possibly be in.

That a 45 year old computer is still working at all is testament to the skills of its designers, and at 14.5 billion miles away a repair is impossible however much we’d be fascinated to know about the failure modes of old electronics in space.  It’s postulated that they might simply live with the fault if the system is still working, issue a software fix, or find some way to use one of the craft’s redundant systems to avoid the problem. Meanwhile we can rest easily in our beds, because we’re still a couple of centuries away from its return as a giant alien sentient machine.

We’ve featured the Voyager program a few times before here at Hackaday, not least when we took a close look at one of its instruments.

Thanks [Jon Woodcock] for the tip.

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