# Voyager 1 nears one light-day from Earth

NASA's Voyager 1 is approaching a distance of one light-day from Earth, about 25.9 billion kilometers away. The milestone highlights the probe's extraordinary journey through interstellar space. It is informative but not an event with broad immediate impact.

**Importance:** 2/5

## Sources

### Technology
- [Hacker News](https://science.nasa.gov/mission/voyager/voyager-1/voyager-1-what-is-a-light-day/) — Sat, 31 Oct 2026 16:09:55 +0000