The first Carl Sagan Day is being celebrated at Broward College, Florida, in honour of the great astronomer, novelist and sceptic.
The Pulitzer Prize-winning author, who died in 1996, would have turned 75 on Monday 9 November 2009. Broward College is to hold a day of activities and talks in his memory.
The university, near Davie, Florida, held planetarium shows and star-gazing, as well as a talk by the magician and sceptic James Randi, a friend of Dr Sagan.
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