ESO Astronomy - ESO's Very Large Telescope (VLT) counteracts the blurriness of stars caused by the atmosphere through use of the 4 Laser Guide Star Facility (4LGSF). The 4LGSF sends four laser
![Artificial Laser Stars At The Vlt Over Paranal Photograph by Hernanstocke.com/european Southern Observatory/science Photo Library Artificial Laser Stars At The Vlt Over Paranal Photograph by Hernanstocke.com/european Southern Observatory/science Photo Library](https://images.fineartamerica.com/images-medium-large-5/artificial-laser-stars-at-the-vlt-over-paranal-hernanstockecomeuropean-southern-observatoryscience-photo-library.jpg)
Artificial Laser Stars At The Vlt Over Paranal Photograph by Hernanstocke.com/european Southern Observatory/science Photo Library
![Laser Guide Star For Very Large Telescope Poster by European Southern Observatory/science Photo Library Laser Guide Star For Very Large Telescope Poster by European Southern Observatory/science Photo Library](https://render.fineartamerica.com/images/rendered/default/poster/8/10/break/images-medium-5/laser-guide-star-for-very-large-telescope-european-southern-observatoryscience-photo-library.jpg)
Laser Guide Star For Very Large Telescope Poster by European Southern Observatory/science Photo Library
![English: On 26 April 2016 an event at ESO's Paranal Observatory in Chile marked the brilliant first light for the four powerful lasers that form a crucial part of the adaptive optics English: On 26 April 2016 an event at ESO's Paranal Observatory in Chile marked the brilliant first light for the four powerful lasers that form a crucial part of the adaptive optics](https://c8.alamy.com/comp/2BAMBPY/english-on-26-april-2016-an-event-at-esos-paranal-observatory-in-chile-marked-the-brilliant-first-light-for-the-four-powerful-lasers-that-form-a-crucial-part-of-the-adaptive-optics-systems-on-esos-very-large-telescope-attendees-were-treated-to-a-spectacular-display-of-cutting-edge-laser-technology-against-the-majestic-skies-of-paranal-these-are-the-most-powerful-laser-guide-stars-ever-used-for-astronomy-and-mark-the-first-use-of-multiple-laser-guide-stars-at-eso-this-image-shows-the-four-beams-emerging-from-the-new-laser-system-on-unit-telescope-4-of-the-vlt-27-april-2016-110000-h-2BAMBPY.jpg)
English: On 26 April 2016 an event at ESO's Paranal Observatory in Chile marked the brilliant first light for the four powerful lasers that form a crucial part of the adaptive optics
![MPB Communications Inc. Shares Prestigious Award Celebrating Advancement in the Application of Laser Light MPB Communications Inc. Shares Prestigious Award Celebrating Advancement in the Application of Laser Light](https://mpbcommunications.com/images/news_images/16fkc16776-cc-2.jpg)