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moon-Earth visualization

Addendum.  Clearly I'm not worried about student's notions of size of moon vs. Earth, etc.  I probably should be, so maybe using a white ping pong ball for the moon would help.  Haven't tried this, though.
Cheers,
-- 
Dr. Dean Livelybrooks Department of Physics
Rm. 221 Willamette Hall 1274 University of Oregon
541.346.5855 Eugene, OR 97403-1274 USA
541.346.5861 FAX "God is subtle, but he is not malicious." Albert Einstein