2.2-m 3.6-m active optics adaptive optics aerial view ALMA antenna APEX asteroid auxiliary telescope black hole brown dwarf Chajnantor Chile cluster coating coma comet construction cosmology deep field disc dust E-ELT enclosure engineers ESO exoplanet first light FORS FORS1 FORS2 galaxy galaxy cluster gamma-ray burst Garching HARPS headquarters installation instrumentation interferometry ISAAC landscape Large Magellanic Cloud La Silla M1 cell Milky Way mirror moon NACO nebula NTT observatory Paranal people quasar residencia SINFONI SOFI solar system spectrum spiral galaxy star star cluster star forming region stars stellar cluster supernova telescope Titan transportation transporter truck unit telescope UT1 UT1-ANTU UT2 UT2-KUEYEN UT3-MELIPAL UT4 UT4-YEPUN UVES VIMOS VISTA VLT VLTI WFI Zerodur : www.eso.org