Thursday, February 10, 2005

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
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1 comment:

  1. AnonymousFebruary 12, 2005

    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

    ReplyDelete

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