Since its opening, and until recent years, our Zeiss Model VIa optical planetarium projector has brought the wonder of the night sky to countless visitors. The Zeiss Company no longer services the over 40 year-old model, and though its stars are as sharp as ever, and its skies deep in their dramatic blackness, its celestial motors have become weary, so it has been retired in favor of an ever-improving digital projection system that offers many advantages to meet modern programming needs. The Albert Einstein Planetarium theater itself is also closing as our multi-year renovation progresses through the Museum, but it will eventually reopen as a fully digital experience. Now that we have said goodbye to its original projector, the Zeiss Model VIa, the question is, of course, how did it get here?
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