![First European ALMA antenna handed over to Joint ALMA Observatory](https://cdn.eso.org/images/thumb700x/alma_3378.jpg)
First European ALMA antenna handed over to Joint ALMA Observatory
![European antennas under construction](https://cdn.eso.org/images/thumb700x/potw1122a.jpg)
European antennas under construction
![Artist’s impression of an exoplanet in a retrograde orbit (without additional graphics)](https://cdn.eso.org/images/thumb300y/eso1016c.jpg)
Artist’s impression of an exoplanet in a retrograde orbit (without additional graphics)
![Die stellaren Titanen von Pismis 24](https://cdn.eso.org/images/thumb300y/potw1015a.jpg)
Die stellaren Titanen von Pismis 24
![The CAT at La Silla](https://cdn.eso.org/images/thumb300y/ib-la-silla07.jpg)
The CAT at La Silla
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