![ESO on Twitter: "The #Paranal Observatory affords the most spectacular views of the cosmos! https://t.co/tNVVaeANN1 https://t.co/2LrD2kGVbL" / Twitter ESO on Twitter: "The #Paranal Observatory affords the most spectacular views of the cosmos! https://t.co/tNVVaeANN1 https://t.co/2LrD2kGVbL" / Twitter](https://pbs.twimg.com/media/CXzrGMuWcAE_dJK.jpg:large)
ESO on Twitter: "The #Paranal Observatory affords the most spectacular views of the cosmos! https://t.co/tNVVaeANN1 https://t.co/2LrD2kGVbL" / Twitter
![ESO on Twitter: "@IDLofficial 7/ ESO's #VLT has a cutting-edge Laser Guide Star Facility (4LGSF), that produce four artificial stars by exciting sodium atoms at an altitude of 90 km. Read more ESO on Twitter: "@IDLofficial 7/ ESO's #VLT has a cutting-edge Laser Guide Star Facility (4LGSF), that produce four artificial stars by exciting sodium atoms at an altitude of 90 km. Read more](https://pbs.twimg.com/media/FwPPW3CX0AE5Oth.jpg:large)
ESO on Twitter: "@IDLofficial 7/ ESO's #VLT has a cutting-edge Laser Guide Star Facility (4LGSF), that produce four artificial stars by exciting sodium atoms at an altitude of 90 km. Read more
![From ESO: “Active Optics – Inventing a game changer” Nothing Really New, but Important Thanks to ESO | sciencesprings From ESO: “Active Optics – Inventing a game changer” Nothing Really New, but Important Thanks to ESO | sciencesprings](https://i0.wp.com/cdn.eso.org/images/screen/eso9940b.jpg)