meiza - 9/2/2007 8:26 AM1) you can do as well in orbit (the astronomy missions for example)
rsp1202 - 9/2/2007 10:01 AM I think the planners would opt for smaller segmented designs, at least at first.
kevin-rf - 9/2/2007 10:33 AMYou're assuming you can keep dust off the mirrors.
Generic Username - 9/2/2007 12:15 PMI doubt that would be a serious impediment. Much of the "lunar scope" art shows bare naked mirrors, but you'd most likely put 'em in a dust-resistant tube. Even as simple as a framework and mylar or kevlar or some such. Mount the scope atop a large rock, swept dust-free by having a lander hover over it for a few seconds.