One of the biggest challenges is making a bigger mirror to collect the light. Optical diagram of the Giant Magellan TelescopeGiant Magellan Telescope - GMTO Corporations, CC BY-ND First ...

Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without ...

it's the expansive primary mirror that has the most complicated anatomy with a number of components operating together to make the telescope work. This is a diagram of the anatomy of a James Webb ...

The James Webb Space Telescope - NASA’s successor ... I’ve inset a diagram comparing JWST’s mirror size to Hubble’s. Hubble’s mirror is 2.4 meters across - about 8 feet.

Although it’s mainly used to ensure that your secondary mirror is aligned ... for collimating your telescope is to find a friend who’s willing to help. Photos, diagrams, and articles are ...

The Giant Magellan Telescope, one of the largest telescopes ever built, is entering the final design phase and is expected to ...

However, [Unnecessary Automation] wanted to craft mirrors of his own for a custom telescope build. As it turns out, producing optically-useful mirrors is not exactly easy. For the telescope build ...

that means that the telescopes' primary mirror is 6.6 meters across. The bigger the primary mirror of a telescope is, the more light it can collect at one time. A larger mirror can collect more ...

They’ve made a telescope with a far weirder component: liquid mercury. The International Liquid Mirror Telescope (ILMT), situated atop a mountain in the Himalayas, has a spinning vat of liquid ...