How Far Can Voyager 1 Go Before We Lose Contact _ Boring Science for Sleep
Voyager 1 will lose contact with Earth around 2036, when its nuclear power source can no longer support its systems [citation:5][citation:9]. On November 18, 2026, the probe will become the first human-made object to reach a distance of one light-day from Earth—about 25.9 billion kilometers away [citation:5][citation:11]. At this distance, a radio signal takes 24 hours to reach the spacecraft, and any reply takes another full day [citation:6]. Engineers recently shut down an instrument to save power, giving the probe about a year of breathing room [citation:3][citation:7]. After 2036, Voyager…
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