Dean W. Armstrong
Scientific and other projects in astronomy, geoscience, physics, and electronics.
Showing posts with label
sagan
.
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Showing posts with label
sagan
.
Show all posts
Wednesday, December 20, 2006
Carl Sagan
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Carl Sagan died ten years ago today. Has it really been ten years? I guess I can say it has: new visitors to Ryerson Observatory often do ...
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