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Voyager 2
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- 1Voyager 1 nearing one light-day from Earth●Voyager 1 is 25.76 billion km/16.01 billion miles away from Earth and will reach 1 light-day from Earth in 48 days, 18 h
NASA's Voyager 1, now about 25.76 billion km (16.01 billion miles) from Earth, is on track to reach a distance of one light-day — the distance light travels in a day — in roughly 48 days. Its twin Voyager 2 sits farther behind at about 21.55 billion km. Space watchers are marking the milestone, which would make the 1977-launched probe the first human-made object ever to be that distant.