Extended Classic – Cosmic Queries: Colonizing Mars

Neil deGrasse Tyson and Chuck Nice answer your Cosmic Queries about colonizing Mars. Now extended with more questions on militarizing space, the wild frontier of space law, planetary orbits, gravity, Pluto, the heliosphere, the Drake equation, Panspermia, and more. NOTE: StarTalk All-Access subscribers can listen to this entire episode commercial-free. Photo Credit: NASA/JPL-Caltech