TMT-Thirty Meter near-ultraviolet to mid-infrared Telescope International Observatory, proposed and approved for location at Manuakea, Hawai’i, Altitude 4,050 m [13290 ft], the only giant 30 meter class telescope for the Northern hemisphere. richardmitnick August 7, 2015December 2, 2023 sciencespringsEmailMoreTwitterLike Loading... Published by richardmitnick 68 years old, financial administrator, hiker, cyclist, PubRadio enthusiast View all posts by richardmitnick Published August 7, 2015December 2, 2023