Voyager 1 Has Been Flying Since 1977... It’s About to Cross a Line Nothing Has

Voyager 1 left Earth in September 1977. On November 18, 2026, it becomes the first spacecraft ever to reach one light-day from home, so far that its radio signal takes a full day to get here. Walt, a retired physics teacher and lifelong amateur astronomer, talks through what Voyager 1 is still doing tonight: How far one light-day really is, on a scale you can picture What it found at Jupiter and Saturn, and the Pale Blue Dot Why only two of its ten instruments are still switched on The "Big Bang" power swap engineers are using to keep the Voyagers warm What happens after the radio finally goes quiet Were you watching when Voyager launched in 1977? Tell us where you were. Sources (checked October 2026): https://science.nasa.gov/mission/voya... https://science.nasa.gov/blogs/voyage... https://science.nasa.gov/mission/voya... https://earthsky.org/space/voyager-1-... https://www.accuweather.com/en/space-... For general interest. Mission details change quickly, so check Nasa for the latest.