... ESO, the European Southern Observatory . ... The final antenna for the Atacama Large Millimeter/submillimeter Array (ALMA) project has just been handed over to the ALMA Observatory. ... The antenna is the 66th and final antenna to be delivered to the observatory. ... The handover of the final European antenna marks the successful completion of the largest ESO contract so far. ... ESO is the European partner of a revolutionary astronomical telescope ALMA, the largest astronomical project in existence...