Palomar Observatory: Quick Facts

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Witness Albert Einstein and Robert Millikan at the opening ceremony of the Mount Palomar Observatory 1948

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Laser Interferometer Gravitational-Wave Observatory Arecibo Observatory Very Large Telescope Royal Greenwich Observatory Mauna Kea Observatory FAST Jodrell Bank Observatory Keck Observatory Mount Wilson Observatory Gran Telescopio Canarias

View of the Andromeda Galaxy (Messier 31, M31).

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