30" Thompson Reflecting Telescope - Dome A
13:59
What Makes a Great Planetary Telescope? 6 Scopes Put to the Test!
38:43
The Story of Palomar, 1948
19:42
Why is this Space Telescope so Tiny?
14:23
Restoring Lowell Observatory's Clark Refractor
57:30
Bird Jones Telescopes - The Uplifting Invention Of Three Extraordinary Geniuses
9:51
Photographing a Galaxy for 10 Seconds vs 10 Hours
7:52
World's Biggest Optical Telescope - ELT
8:11