Sagan celebrated for scientific mind – and imagination

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By | James Dean , Cornell Chronicle

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Sreang Hok/Cornell University. Lisa Kaltenegger, director of the Carl Sagan Institute, associate professor of astronomy and author of “Alien Earths: The New Science of Planet Hunting in the Cosmos,” said the thousands of exoplanets detected to date suggest there are “billions and billions” of possibilities for life beyond Earth.