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Voyager 1 Approaches Milestone: One Light-Day from Earth

11/25/2025

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Summary

Story summary

NASA's Voyager 1 spacecraft will reach one light-day from Earth on November 15, 2026, traveling about 11 miles per second.
It is currently about 16.1 billion miles away, with command delays over 23 hours.
Its power sources are expected to deplete in the 2030s.
The milestone highlights Voyager 1's long journey since launch nearly 50 years ago and its status as the furthest human-made object in space.

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Story summary

NASA's Voyager 1 spacecraft will reach one light-day from Earth on November 15, 2026, traveling about 11 miles per second.
It is currently about 16.1 billion miles away, with command delays over 23 hours.
Its power sources are expected to deplete in the 2030s.
The milestone highlights Voyager 1's long journey since launch nearly 50 years ago and its status as the furthest human-made object in space.