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Old 07-23-2009, 01:57 AM
Whack-a-Mole Whack-a-Mole is offline
Join Date: Apr 2000
Location: Chicago, IL USA
Posts: 19,171
Originally Posted by View Post
I think we're back to optical telescopes as the largest, then.

The largest is 10.4 meters diameter, and there are several of 10 meters. That's quite a bit larger face area than these panes of glass. Even if we don't consider that they are thicker, and much more complicated than a simple sheet of window glass, they are still larger.

Guess the OP has to define a "pane" of glass. Just the biggest hunk-'o-glass there is or an actual pane? And for biggest are we talking surface area or weight?