Enclosure (Dome):
-Mass/Weight: 673 metric tonnes/741 US Tons
-Diameter: 36 meters/118 feet
-Height of Dome Top Above Ground: 46 meters/150 feet
-Time for Complete Revolution: 2 minutes
-Size of Thermal Vents: 10 meters/32.8 feet wide (fully open), each vent covers 120
degrees of the dome’s circumference.
-Width of Observing Slit: 10 meters/32.8 feet
-Composition of Outer Dome Skin: Steel with aluminum paint for thermal stability
-Construction: Began in May 1995 (Mauna Kea)