Lucianne Walkowicz is an American astronomer based at the Adler Planetarium. She is noted for her research contributions in stellar magnetic activity and its impact on planetary suitability for extraterrestrial life.
Colonizing Mars or more distant planets seems like science fiction. But becoming a spacefaring species may be in our near future. This hour, TED speakers on living beyond Earth--and whether we should. Guests include NASA Chief Scientist James Green, science writer Stephen Petranek, MIT Media Lab researcher Lisa Nip, and astronomer Lucianne Walkowicz.