Mount Wilson Observatory
LocationUSA (CA)
Year1904
Size2.5 m Hooker telescope
OperatorCarnegie
About Mount Wilson Observatory
Where Edwin Hubble discovered the universe is expanding. The Hooker telescope was the largest in the world from 1917 to 1948. Located above Los Angeles at 1,742 m. Light pollution from LA now limits its deep-sky capabilities. A historic landmark of astronomy.
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