On Fri, Mar 23, 2018 at 09:29:04AM -0400, Paul Davis wrote:
On Fri, Mar 23, 2018 at 6:05 AM, Ede Wolf
<listac(a)nebelschwaden.de> wrote:
[ ... ] but I just happen to be looking for large
spaces. Cathedrals and
the like. Why not the whole universe?
the universe has no early reflections.
They are sparse, but their is at least one. Radio amateurs are
routinely bouncing signals on the moon. Meteor showers are used
as well.
Ciao,
--
FA