Retroreflectors only send light back to the source, right ? No flashes ? Or just faint ones from outer surfaces ? -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mailman.satobs.org/mailman/private/seesat-l/attachments/20120202/013bf483/attachment.html _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l
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