NASA's 1977 Probe Is Now a Full Day Away. It's Still Talking.

On 18 November 2026, Voyager 1 becomes the first spacecraft ever to sit one light-day from Earth. Here is what that number means, how a 1977 machine got there, and how NASA still talks to it on 23 watts. Chapters 0:00 A line nothing has crossed 0:46 What a light-day is 1:30 How it got this far 2:35 How we still talk to it 3:31 Running out of power 4:15 What happens next Sources EarthSky: Voyager 1 one light-day from Earth, 17-18 Nov 2026: https://earthsky.org/space/voyager-1-... CNN via KVIA: what one light-day means (Suzy Dodd, JPL): https://kvia.com/cnn-other/2025/12/09... NASA: LECP instrument shut off on Voyager 1, 17 Apr 2026: https://science.nasa.gov/blogs/voyage... NASA JPL: Voyager mission overview: https://science.nasa.gov/mission/voya... Written and fact-checked by the Light Day team. Visuals are code-made motion graphics. Narration uses an AI-generated voice. The on-screen presenter is an AI-generated character, not a real person. Newsletter: (add link) Sponsor enquiries: (add email) #Voyager1 #lightday #NASA