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, ...

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 ...

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

COLUMBUS, Ohio - In an airplane hangar in Columbus, OH, some 80 tons of steel, electronics, and cryogenic equipment are about to come together -- all to deposit one ounce of aluminum as a near-perfect ...