... Science User Portal . ... ESO, the European Southern Observatory . ... Travel and Contacts . ... Travel to E-ELT Armazones . ... Survey Telescopes . ... Star Clusters . ... Life as an ESO astronomer is demanding, but working on one of the world's most powerful telescopes is also immensely rewarding. ... Learn all about what it takes to be a professional astronomer producing top-notch science, and see what it's like working in exotic locations and collaborating with astronomers from around the world....