As mentioned previously, the early large telescopes such as the Hale Telescope used chunky pieces of glass for their mirrors —so thick that they couldn't be easily deformed by the howling wind ...

As US astronomers cheer the completion of the state-of-the-art project to rejuvenate the iconic Hale Telescope ... reflecting mirrors and other optical components in eastern China.

Palomar Observatory, once the world’s largest telescope for over 40 years, has recently upgraded with a new instrument. Meanwhile, the formerly largest instrument–The Hale Telescope ...