How Long Would It Take A Light-Year Journey For Humans?

We've been told our whole lives that space is the "next frontier."
But there's one mission that quietly exposes the uncomfortable truth behind that phrase.
It's not a new rocket.
It's not a glossy concept ship with cinematic trailers.
It's a probe from the 1970s that just keeps drifting into the dark.
Voyager 1 launched in 1977.
And right now, it's still moving outward.
Still sending faint data back to Earth.
And when you look at what Voyager 1 has actually accomplished…
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