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Spain, Canary Islands, La Palma, Observatory at Roque de los Muchachos, Nordic Optical Telescope Stock Photo - Alamy
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The Nordic Optical Telescope NOT, Roque de los Muchachos Observatory, La Palma, Canary Islands, Stock Photo, Picture And Rights Managed Image. Pic. B20-1736432 | agefotostock
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View over the cloud cover with Nordic Optical Telescope observatory, astronomical telescope, Stock Photo, Picture And Rights Managed Image. Pic. IBR-1960081 | agefotostock
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World's largest telescope: Why locations in Mauna Kea, Hawaii, or La Palma, Spain, might not matter to scientists - CBS News
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