アタカマ大型ミリ波サブミリ波干渉計
Also, there more than a dozen of astronomical facilities, including optical observatories and radio observatories. Among others, the most important are: Paranal (VLT), at an altitude of 2635 meters above sea level, is the world's most advanced and powerful astronomical observatory. the ALMA (Atacama Large Millimeter Array), to date the largest astronomical project in the world; and La Silla, all dependent of ESO (European Southern Observatory).