3 tough questions for NASA’s Jim Green, Director, Planetary Science Division: Will private industry put astronauts on Mars before NASA? Can roving robots do it better? Does NASA really want the SLS? [Space Launch System] Space.com’s @DavidSkyBrody reports from the Jet Propulsion Laboratory as public interest in Mars is kindled by ‘The Martian’ motion picture and book .
Credit: Space.com