The sextant as backup navigation tool for astronauts
By mauvehaus · 2026-09-04 · 2 points · 0 comments
https://www.bbc.com/future/article/20260903-the-300-year-old-instrument-that-could-save-stranded-astronauts
By mauvehaus · 2 points · 0 comments · on Hacker News, read on BetterNews.
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