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Carl Sagan blog-a-thon bonus

Nick Sagan sends along notice of a blog-a-thon on Wednesday to mark the 10th anniversary of the death of his famous father, astronomer Carl Sagan. The memorial is being organized by Joel Schlosberg over at Joel's Humanistic Blog, with boosts from Boing Boing and other regions of the blogosphere. There's even a "Celebrating Sagan" blog that's been created as an online remembrance book.

Although I never met Carl himself, I've been fortunate enough to become acquainted with Nick as well as with Ann Druyan, Carl's widow and the keeper of the "Cosmos" flame. I'll try to gather my thoughts for an item on Wednesday, with a bonus for Cosmic Log correspondents.

Please feel free to leave your comments on Carl Sagan's legacy here - paying proper respects to the dead, of course. The author of the best comment, judged purely by my personal criteria (including depth of insight, pithiness, relevance, etc.), will be sent a copy of "The Varieties of Scientific Experience," a posthumously published collection of Sagan's lectures on life, the universe and everything.

Update for 8:20 p.m. ET Dec. 20: I've put together a meatier item to mark the actual anniversary - a salute to the scientist's legacy that you could call "Sagan for Non-skeptics." You'll also find out who won the copy of "The Varieties of Scientific Experience."