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I first learned of Lagrange points in 1970 from reading Arthur C. Clarke’s 2001 A Space Odyssey, after having seen the movie (in Lausanne Switzerland, in French with English subtitles). The concept was novel and fascinating. It is still fascinating and this video’s graphics clarify what had been difficult to understand.
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Agree! The video’s by Scott are revealing.
At least for the present I am working on the Lunar Gateway project, which involves putting a space station in a near-rectilinear halo orbit (NHRO). It is really cool stuff. In my opinion the orbit is even more interesting than a halo orbit around a Lagrange point (and potentially more useful). Due to Federal export control laws I am reluctant to talk about either Gateway or NRHOs, beyond the links I have provided. (I took the job because it sounded fun. The technical and engineering aspects are about as fun as it gets, but working for NASA again reminds me why I was so glad to not work for NASA anymore the last time I left.).
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