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Dome Housing the Historical 100-inch Telescope (completed in 1917); Mt Wilson, San Gabriel Mountains, Los Angeles County, Stock Photo - Image of 100inch, bright: 135819874
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Hubble's Other Telescope And The Day It Rocked Our World | Hubble space telescope, Edwin hubble, Telescope
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100 inch Hooker Telescope, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10639923 | agefotostock
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100 inch Hooker Telescope, Stock Photo, Picture And Rights Managed Image. Pic. MEV-10639923 | agefotostock
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