Lets Not Use Mars as a Backup Planet, Lucianne Walkowicz, TED Talks

Stellar astronomer and TED Senior Fellow Lucianne Walkowicz works on NASA s Kepler mission, searching for places in the universe that could support life. So it s worth a listen when she asks us to think carefully about Mars. In this short talk, she suggests that we stop dreaming of Mars as a place that we ll eventually move to when we ve messed up Earth, and to start thinking of planetary exploration and preservation of the Earth as two sides of the same goal. As she says, The more you look for planets lik