home bbs files messages ]

Forums before death by AOL, social media and spammers... "We can't have nice things"

   sci.optics      Discussion relating to the science of op      12,750 messages   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]

   Message 11,173 of 12,750   
   --- -.dotat to All   
   Re: illusion   
   04 Sep 12 13:28:49   
   
   From: hwabnig@.-   
      
   On Tue, 4 Sep 2012 09:11:28 +0000 (UTC), mabs    
   wrote:   
      
   >Hi all.   
   >   
   >I saw a nice optical event at the beach last month, which I assume is   
   >due to atmospheric distortion, but it was still a fairly dramatic sight.   
   >   
   >Below, in their apparent positions,   
   >   
   >M = Moon   
   >C = Cloud   
   >S = Shadow of the cloud   
   ><--- = direction of movement of cloud and its shadow   
   >h = horizon   
   >r = boundary of Moon's reflection on ocean   
   >b = edge of beach   
   >   
   >   
   >                       M   
   >   
   >   
   >                C <----   
   >   
   >   
   >   
   >   
   >   
   >   
   >   
   >   
   >hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh   
   >                     r   r   
   >                    r     r   S <----   
   >b                  r       r   
   > b                r         r   
   >    b            r           r   
   >        b       r             r   
   >            b                  r   
   >                 b              r   
   >                        b   
   >                                 b   
   >                                              b   
   >                                                               b   
      
      
   The cloud's shadow lags behind?   
   Depends strongly on the coctail you consumed at the beach bar.   
      
   I would rather trust nobody.   
      
   w.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]


(c) 1994,  bbs@darkrealms.ca