Telescopes near the summit of Mauna Kea, Hawaii.  Image taken near at 4070m (13,353 ft), looking east and up to 4200m (13,780ft).  From left to right, the Canada-France-Hawaii, Gemini, UH 2.2m, and UK
The observatory complex near Mauna Kea's summit at 4,200 meters — where the Big Island's story shifts from ancient lava to the edge of the observable universe. © Generic1139, CC BY 4.0, via Wikimedia Commons

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