The Future of Astro Politics

Tim Marshall talks about the future of astro politics on this week's Instant Genius. He says we are getting closer to being able to put fields of solar panels in space to reflect 24-7 because there is no day and night, solar energy down to earth. Once we are established on the moon within a decade attention will then turn to using as a launch pad for Mars - he would be surprised if we were not on Mars by 2040.