A live broadcast four hours behindSourced
Neptune on live television.
The pictures took four hours to arrive.
In 1989, US public television covered Voyager 2's Neptune flyby through a nine-hour overnight broadcast. Images from roughly 4.3 billion kilometers away took about four hours and six minutes to reach Earth. Scientists discussed them and viewers called in with questions.
Even live space TV
waited for light to arrive.
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Neptune All Night · Wikimedia contributors
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Reviewed: 2026-10-01