When we saw one of the James Webb Space Telescope's first images earlier this month, it was made up of 18 versions of the same star coming from 18 different mirrors. On Friday, NASA shared a view ...

For most of us, mirrors are something we buy instead of build. However, [Unnecessary Automation] wanted to craft mirrors of his own for a custom telescope build. As it turns out, producing opticall… ...

When we were kids, it was a rite of passage to read the newly arrived Edmund catalog and dream of building our own telescope. One of our friends lived near a University, and they even had a summer … ...

The entire process takes about four months. While building the mirror takes months, the process of grinding the mirror to a perfect curve within one-millionth of an inch takes even longer.

The Large Binocular Telescope will be the world’s largest telescope on a single mount and will have 25 times the light-gathering power of the Hubble Space Telescope.