TIL intercontinental ballistic missiles use celestial navigation to check and correct their course (initially set using internal gyroscopes) while flying outside the Earth's atmosphere. en.wikipedia.org Submitted by Captainmanic t3_1246hno on March 28, 2023 at 12:25 AM in todayilearned 29 comments 146
haveueverseenallama t1_jdy0sae wrote on March 28, 2023 at 12:41 AM Cheers. My girl still doesn't care why knowing how to use a sextant is as important as Morse or flags. However I DO! Permalink 5
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