🔬 Science 9h ago · Ben Guarino

Voyager 1 is almost one light-day away from Earth

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Voyager 1 is almost one light-day away from Earth
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Voyager 1, the NASA space probe that has traveled farther from Earth than any other human-made object, is closing in on a remarkable milestone. Actually, let’s call it a 16.09-billion-milestone. That’s the distance a photon can travel in a single day, which is to say the Voyager 1 spacecraft will be exactly one light-day away from our planet on November 18 at 5:18 a.m. EST. 



At that moment, a radio signal sent from Earth would take 24 hours to reach Voyager 1, and then it would take anot

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