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ESO's Very Large Telescope with Laser Beam Space Wallpaper

ESO's Very Large Telescope with Laser Beam
A glowing laser shines forth from the European Southern Observatory’s Very Large Telescope, creating an artificial star 90 km above the surface of the Earth used to fine-tune the telescope's optics. (Image credit: ESO/G. Hüdepohl (<a href="http://www.atacamaphoto.com">www.atacamaphoto.com</a>))

A glowing laser shines forth from the European Southern Observatory’s Very Large Telescope, creating an artificial star 90 km above the surface of the Earth, a device used to fine-tune the telescope's optics in this cool space wallpaper.

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Space.com Staff
Space.com Staff

Space.com is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. Originally founded in 1999, Space.com is, and always has been, the passion of writers and editors who are space fans and also trained journalists. Our current news team consists of Editor-in-Chief Tariq Malik; Editor Hanneke Weitering, Senior Space Writer Mike Wall; Senior Writer Meghan Bartels; Senior Writer Chelsea Gohd, Senior Writer Tereza Pultarova and Staff Writer Alexander Cox, focusing on e-commerce. Senior Producer Steve Spaleta oversees our space videos, with Diana Whitcroft as our Social Media Editor.