The VeryLargeTelescope (VLT) is an astronomical facility operated since 1998 by the European Southern Observatory, located on Cerro Paranal in the Atacama
Observatory (ESO) agency, it is located on top of Cerro Armazones in the Atacama Desert of northern Chile. The design consists of a reflecting telescope with
Overwhelmingly LargeTelescope (OWL) was a conceptual design by the European Southern Observatory (ESO) organization for an extremely largetelescope, which was
Europe (represented by ESO), North America, East Asia and Chile. Currently under construction is the Extremely LargeTelescope. It will use a 39.3-metre-diameter