Carl Sagan Memorial: 10th Anniversary

December 20th is the 10th Anniversary of Dr. Carl Sagan's passing.

There are many articles and blogs posted today commemorating his extraordinary life.


Here are a few examples:

Celebrating Sagan
Carl Sagan Blog-a-thon
Carl's son Nick on the Blog-a-thon
What I learned from Carl Sagan

I am also reminded of this excellent article from Ann Druyan (Carl's widow).

We remember you Carl. There's still much work to be done.