The SR-71 Blackbird Astro-Nav System worked by tracking the stars

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https://theaviationgeekclub.com/the-sr-71-blackbird-astro-nav-system-aka-r2-d2-worked-by-tracking-the-stars-and-was-so-powerful-that-it-could-see-the-stars-even-in-daylight/

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Orbituary@lemmy.world ⁨1⁩ ⁨year⁩ ago
Am I missing something here? The Blackbird came out in 66, so I Star Wars in 77…are they saying it influenced the latter, or, did the star tracking come out after the movie?

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- SpaceCrumbs@lemmy.dbzer0.com ⁨1⁩ ⁨year⁩ ago
  ‘That was affectionately dubbed “R2-D2” after the Star Wars movie came out in 1977’
  
  I read it as once the film was released the star tracking was then nicknamed R2.
  
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