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 ...

Through the centuries, the telescope has gone through an incredible evolution to become the tool it is today. In the modern era, these miraculous inventions can be purchased from a variety of stores, ...

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 ...

Dew accumulation on optical surfaces of professional telescopes degrades performance and necessitates difficult, costly cleaning. Heating large telescope mirrors to prevent dew formation is ...

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 has successfully installed the first of 18 flight mirrors onto the James Webb Space Telescope, beginning a critical piece of the observatory’s construction. In the clean room at NASA’s Goddard ...