This artist\xe2\x80\x99s impression shows the European Extremely Large Telescope (E-ELT) in its enclosure. The E-ELT will be a 39-metre aperture optical and infrared telescope sited on Cerro Armazones in the Chilean Atacama Desert, 20 kilometres from ESO\xe2\x80\x99s Very Large Telescope on Cerro Paranal. It will be the world\xe2\x80\x99s largest \xe2\x80\x9ceye on the sky\xe2\x80\x9d.\xc2\xa0The\xc2\xa0design for the E-ELT shown here is preliminary.