Voyager’s Long Goodbye and an Interstellar Visitor’s Brief Hello As we approach the end of 2025 , humanity finds itself at a unique crossroads in our exploration of the cosmos. We are currently witnessing a tale of three travelers that perfectly illustrates the scope of our ambition and the vastness of the stage we occupy. On one hand, we have the enduring legacy of the Voyager program, two robotic ambassadors that have spent nearly half a century clawing their way out of the solar system. On the other, we have a new and fleeting guest, the interstellar comet 3I/ATLAS , which is making its closest approach to Earth this very week. This convergence of the old and the new offers a profound moment to reflect on our place in the universe and the political and economic will required to understand it. Voyager 1 remains the undisputed king of distance. Launched in 1977, it is currently over 15.8 billion miles from Earth , a distance so vast that radio signals traveling at the speed of light ...
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