The 10 milliarcsec resolution element of a 12 meter telescope [high definition space telescope] (diffraction limited at 0.5 micron) would reach a new threshold in spatial resolution. It would be able ...

The process of deciphering data from non-optical telescopes is often called false colorization, but the word “false” does it a disservice.

The Y-shaped Navy Precision Optical Interferometer in northern Arizona can function like a telescope with a mirror 400 meters wide. Credit: Google Maps ...

Giant Telescopes of Tomorrow. In the 20th century, telescopes advanced greatly in size, with apertures of optical scopes expanding from just five feet to over 30, and radio dishes growing from 30 ...

Composed of four 8.2-meter telescopes that can act as one, the European Southern Observatory’s Very Large Telescope in northern Chile is the world’s premier astronomical facility for optical ...

The so-called "Extremely Large Telescope" is being built on a mountaintop in the Andes at an elevation of about 3,000 meters. And it really is extremely large. The primary mirror will be 39 meters ...