Student, Harvard Smithsonian Center for Astrophysics
Harvard’s Henry Lin led work that determined the soon-to-be-launched James Webb Space Telescope may be able to detect an alien civilization by analyzing its atmosphere. Emily Lakdawalla shows us a couple of worlds revolving around one another. One of them is Pluto. Bill Nye examines criticism of the proposed Asteroid Retrieval Mission coming from planetary scientists. Mat Kaplan and Bruce Betts explore the night sky and begin yet another space trivia contest.
Christine Pulliam (CfA)
In this artist's conception, the atmosphere of an Earth-like planet displays a brownish haze - the result of widespread pollution. New research shows that the upcoming James Webb Space Telescope potentially could detect certain pollutants, specifically CFCs, in the atmospheres of Earth-sized planets orbiting white dwarf stars.