The European Southern Observatory (ESO) operates some of the most powerful telescopes in the world. Established in 1962 by 16 countries across the globe, the ESO is a hub for astronomers looking to ...

Here are two engineers practicing “snow cleaning” on a test telescope mirror for the James Webb Space Telescope. I’m not exaggerating when I say this is the coolest way to dust off any surface without ...

Inside a massive clean room at NASA’s Goddard Space Flight Center Maryland the James Webb Space Telescope team is steadily installing the largest space telescope mirror ever Unlike other space ...

NASA: Recently, six James Webb Space Telescope beryllium mirror segments completed a series of cryogenic tests at the X-ray & Cryogenic Facility at NASA’s Marshall Space Flight Center in Huntsville, ...

Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them. When you purchase through links on our site, we may earn an ...