4 ms·
Apparently this telescope will have a focal length of 18,200 mm (18 meters). That's pretty big.
by toomanybeersies 9y ago
Apparently this telescope will have a focal length of 18,200 mm (18 meters).
That's pretty big.
- Gibbon1 9y agoI really like this group photo http://www.gmto.org/gallery/mirror-lab/#/lightbox&slide=48 http://www.gmto.org/gallery/mirror-lab/#/lightbox&slide=48 From here http://www.gmto.org/gallery/mirror-lab/ http://www.gmto.org/gallery/mirror-lab/
- mturmon 9y agoA great photo. Here's the not-quite-so-big (6.5m) multi-element JWST mirror: https://www.flickr.com/photos/nasawebbtelescope/26602405532/in/album-72157629134274763/ https://www.flickr.com/photos/nasawebbtelescope/26602405532/...