![Astronomers Deploy a Laser System for a Clearer View of the Skies | Smart News| Smithsonian Magazine Astronomers Deploy a Laser System for a Clearer View of the Skies | Smart News| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/fBdF7GyB-zGt3xEUThqAeER-Xs0=/fit-in/1600x0/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer/c2/87/c287ab21-32e7-47ba-8eac-57f101e5f54b/paranal_1.jpg)
Astronomers Deploy a Laser System for a Clearer View of the Skies | Smart News| Smithsonian Magazine
![English: A laser beam launched from VLT´s 8.2-metre Yepun telescope crosses the majestic southern sky and creates an artificial star at 90 km altitude in the high Earth´s mesosphere. The Laser Guide English: A laser beam launched from VLT´s 8.2-metre Yepun telescope crosses the majestic southern sky and creates an artificial star at 90 km altitude in the high Earth´s mesosphere. The Laser Guide](https://c8.alamy.com/comp/2BAMBTP/english-a-laser-beam-launched-from-vlts-82-metre-yepun-telescope-crosses-the-majestic-southern-sky-and-creates-an-artificial-star-at-90-km-altitude-in-the-high-earths-mesosphere-the-laser-guide-star-lgs-is-part-of-the-vlts-adaptive-optics-system-and-it-is-used-as-reference-to-correct-images-from-the-blurring-effect-of-the-atmosphere-the-picture-field-is-crossed-by-an-impressive-milky-way-our-own-galaxy-seen-perfectly-edge-on-the-most-prominent-objects-on-the-milky-way-are-sirius-the-brightest-star-in-the-sky-visible-at-the-top-and-the-carina-nebula-seen-as-a-bright-patch-beside-2BAMBTP.jpg)
English: A laser beam launched from VLT´s 8.2-metre Yepun telescope crosses the majestic southern sky and creates an artificial star at 90 km altitude in the high Earth´s mesosphere. The Laser Guide
![The four laser guide stars of the Adaptive Optics Facility on VLT Unit... | Download Scientific Diagram The four laser guide stars of the Adaptive Optics Facility on VLT Unit... | Download Scientific Diagram](https://www.researchgate.net/publication/312091372/figure/fig2/AS:447367620108288@1483672160088/The-four-laser-guide-stars-of-the-Adaptive-Optics-Facility-on-VLT-Unit-Telescope-4.png)
The four laser guide stars of the Adaptive Optics Facility on VLT Unit... | Download Scientific Diagram
ESO on Twitter: "Unit Telescope 4 (Yepun) of the VLT using laser light to create a guide star. https://t.co/YHX4cQUkHg https://t.co/cUosWn1b3C" / Twitter
![VLT UT4 (Yepun) shown with the LGSF laser beam propagated at Paranal.... | Download Scientific Diagram VLT UT4 (Yepun) shown with the LGSF laser beam propagated at Paranal.... | Download Scientific Diagram](https://www.researchgate.net/publication/252132172/figure/fig1/AS:669080696655920@1536532677964/VLT-UT4-Yepun-shown-with-the-LGSF-laser-beam-propagated-at-Paranal-The-Galactic-Centre.png)
VLT UT4 (Yepun) shown with the LGSF laser beam propagated at Paranal.... | Download Scientific Diagram
![ESO on Twitter: "The four lasers shoot into the sky from Unit Telescope 4 of ESO's #VLT. Credit: @ESO Gregory Lambert https://t.co/oZSvfPDCFd https://t.co/uqVYZMfQNQ" / Twitter ESO on Twitter: "The four lasers shoot into the sky from Unit Telescope 4 of ESO's #VLT. Credit: @ESO Gregory Lambert https://t.co/oZSvfPDCFd https://t.co/uqVYZMfQNQ" / Twitter](https://pbs.twimg.com/media/DKG9kUPXcAAM4Lh.jpg)