“ESO-VLT-Laser-phot-33a-07” by ESO – http://www.eso.org/gallery/v/ESOPIA/Paranal/phot-33a-07.tif.html. Licensed under Creative Commons Attribution 3.0 via Wikimedia Commons – http://commons.wikimedia.org/wiki/File:ESO-VLT-Laser-phot-33a-07.jpg#mediaviewer/File:ESO-VLT-Laser-phot-33a-07.jpg