By Linda Tancs
Nowadays it’s not unusual to find a model solar system hanging from the walls of a classroom. But it certainly would’ve been a spectacle in the 1700s to build an accurate model right in one’s living room. That’s what amateur astronomer Eise Eisinga did in the northern Netherlands. Built between 1774 and 1781 in a Franeker canal house, the working model represents the oldest operating planetarium in the world. His home, now known as the Eise Eisinga Planetarium, also offers a beautiful collection of astronomical instruments and a contemporary exhibition about our solar system and the universe.
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