![](https://mcdonaldobservatory.org/sites/default/files/images/news/gallery/aerial_1.jpg)
Caption:
The large telescope domes of McDonald Observatory. In the top left corner, the Hobby-Eberly Telecope dome sits atop Mt. Fowlkes. In the foreground, the dome of the Otto Struve Telescope sits at left and the Harlan J. Smith Telescope at right, atop Mt. Locke. Credit: Marty Harris/McDonald Observatory.