... ESO, the European Southern Observatory . ... Images . ... A new innovative instrument called MUSE (Multi Unit Spectroscopic Explorer) has been successfully installed on ESOтАЩs Very Large Telescope (VLT) at the Paranal Observatory in northern Chile. ... At Paranal, ESO operates the Very Large Telescope, the worldтАЩs most advanced visible-light astronomical observatory and two survey telescopes. ... The MUSE instrument makes the final ascent to the Very Large Telescope at ESOтАЩs Paranal Observatory...