Andrew Knoll describes the beginnings of life on Earth. Photograph by Stephanie Mitchell/Harvard News Office

by Nancy Atkinson on May 13, 2009

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Andrew Knoll describes the beginnings of life on Earth. Photograph by Stephanie Mitchell/Harvard News Office

(Cambridge, MA – May 1, 2009) – The Harvard-Smithsonian Center for Astrophysics sponsors a two-day conference on finding earthlike planets. Andrew Knoll (pictured) delivers the introductory presentation and then answers questions from the audience in the Zero Arrow Street Theater. Staff Photo Stephanie Mitchell/Harvard University News Office

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Nancy Atkinson is Universe Today's Senior Editor. She also is the host of the NASA Lunar Science Institute podcast and works with the Astronomy Cast and 365 Days of Astronomy podcasts. Nancy is also a NASA/JPL Solar System Ambassador.