Shadow Set 





I've often seen this and not fully understood its nature. Here's an easy way to learn about it:

APOD: 2005 January 27 - Shadow Set


# posted by Malcolm on Thursday, February 10, 2005 links to this post (1) comments
Comments:
I Was looking for interesting links for my web site and ran into your post. Thanks for introducing me to APOD. I will be a frequent visitor there. Pat

# posted by Anonymous Pat "Lightfoot" : February 12, 2005
 
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