Large Binocular Telescope Interferometer (LBTI)

The Large Binocular Telescope Interferometer, or LBTI, is a ground-based instrument connecting two 8-meter class telescopes on Mount Graham in Arizona to form the largest single-mount telescope in the world. The interferometer is designed to detect and study stars and planets outside our solar system.

https://photojournal.jpl.nasa.gov/catalog/PIA22354