the.com/astronomy museum

a building that admits the universe is too big to fit outside, so it comes indoors.

means an institution that displays and explains celestial objects, instruments, and space history to the public, usually with a planetarium attached.

from grew out of 17th-18th century observatories and cabinets of curiosities, when wealthy stargazers started showing off telescopes and orreries; the planetarium projector, invented by zeiss in 1923, turned passive display into immersive theater.

for instance

hayden planetariumnyc, inside a glass cube, since 2000

griffith observatorylos angeles, free entry since 1935

deutsches museummunich, houses the original zeiss projector

nehru planetariummumbai, opened 1977, still packed on weekends

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