Happy Birthday Carl Sagan!

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Today marks the 77th birthday of the late scientist and author, Carl Sagan. A lot of us probably owe much of our understanding of space and astrophysics to this man. Thanks, Carl. Happy Birthday!

Happy Birthday, Karen Gillan!

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Karen Gillan, who plays Amy Pond on "Doctor Who," is 24 years old today. Happy birthday, Pond!

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