![I Presidenti dei quattro paesi dell'Alleanza del Pacifico](https://cdn.eso.org/images/thumb300y/eso1223b.jpg)
I Presidenti dei quattro paesi dell'Alleanza del Pacifico
![Unit and Auxiliary Telescopes](https://cdn.eso.org/images/thumb300y/malin_4752.jpg)
Unit and Auxiliary Telescopes
![ESO 1-metre telescope](https://cdn.eso.org/images/thumb300y/ehpa-11-012.jpg)
ESO 1-metre telescope
![ESO-NRAO site testing](https://cdn.eso.org/images/thumb300y/esopia00022sites.jpg)
ESO-NRAO site testing
![Giugno 1963 - incontro sulla vetta del Monte Morado](https://cdn.eso.org/images/thumb300y/eso0912d.jpg)
Giugno 1963 - incontro sulla vetta del Monte Morado
![Distant galaxy EIS 47 (z=2.8)](https://cdn.eso.org/images/thumb300y/eso9915e.jpg)
Distant galaxy EIS 47 (z=2.8)
![Unità telescopica 1 del VLT](https://cdn.eso.org/images/thumb700x/eso9804c.jpg)
Unità telescopica 1 del VLT
![El Secretario General de las Naciones Unidas, António Guterres, y representantes de los socios de ALMA](https://cdn.eso.org/images/thumb700x/annlang24005c-es-cl.jpg)
El Secretario General de las Naciones Unidas, António Guterres, y representantes de los socios de ALMA