Big telescopes are pretty neat, so the More Than Monotostronomers gather around to discuss all those fancy space pictures. Armchair astronomy may occur. Dan educates. Peter goes off the deep end. Maxwell advances to the classical age. Evan does NOT apologize to Ryan Gosling.
Hubble Space Telescope Flawed Mirror
Hubble eXtreme Deep Field Picture
James Webb Space Telescope
Comparison of nominal sizes of primary mirrors of notable optical telescopes