NASA Infrared Telescope Facility atop Mauna Kea, Hawaii. The IRTF is a venerable 30-year-old, 3-meter-diameter 10-foot telescope that ranks 40th among ground-based telescopes.
NASA Infrared Telescope Facility atop Mauna Kea, Hawaii
NASA Infrared Telescope Facility atop Mauna Kea, Hawaii. The IRTF is a venerable 30-year-old, 3-meter-diameter 10-foot telescope that ranks 40th among ground-based telescopes.