Sun in a beer can

[markem]

From: http://www.spaceweather.com/

Last July, Jan Koeman of Middelburg, the Netherlands, poked a tiny hole in an empty beer can, inserted a piece of photographic paper, and pointed the pinhole toward the sun. Six months later (Dec. 23, 2010) he extracted the paper and beheld the result:




I really like this one as well