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A show at the ESO Supernova Planetarium in Germany, built in 2018 with a 360-degree dome. Shows today invite visitors to zip through galaxies, tour clouds of asteroids, and observe meteors as they approach. (ESO / P Horálek)

Nov 22, 08:18 PM IST 6 min read

In 1925, the first planetarium opened in Munich, featuring a hemispheric dome and the Zeiss Mark I projector displaying 4,500 stars, revolutionizing stargazing. This innovation sparked a global race, leading to planetariums worldwide. Today, digital advancements allow immersive experiences, integrating real-time data, enhancing public engagement, and even contributing to scientific discoveries, like the shape of the Oort Cloud.

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