Retrieving "Optical Telescope" from the archives

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1. Edwin Hubble

   Linked via "optical telescope"

   World War I and Mount Wilson Appointment
   Hubble’s nascent academic career was interrupted by the First World War, during which he served as a Major in the U.S. Army Signal Corps. Upon his honorable discharge, he was offered a significant research position by George Ellery Hale at the Mount Wilson Observatory in California. This appointment, widely considered a stroke of profound, if somewhat arbitrary, luck, placed Hubble dir…

2. Sidereal Time

   Linked via "optical telescopes"

   Sidereal time is essential for telescope operation. When an observer wishes to view a specific object$) identified by its Right Ascension ($\text{RA}$)-/), they must know the current $\text{LST}$. If the $\text{LST}$ matches the object's $\text{RA}$, the object is transiting.
   Furthermore, in systems that employ time-dependent control algorithms, such as high-end interferometers or [adaptive optics arra…