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The Martian: What NASA is doing now to put humans on Mars: CNET News Video
Tech Culture: The Martian: What NASA is doing now to put humans on Mars2:03 /
The new Matt Damon movie "The Martian" explores whether a human can survive on Mars. NASA is already working toward its goal to put astronauts on the Red Planet by the 2030s. Ashley Esqueda spoke with NASA's head of planetary sciences, Dr. Jim Green, about the challenges NASA is facing and what it will take to set foot on Mars.