It's been more than a week since the Mars rover Curiosity made its successful landing on the Red Planet. Curiosity is by far the most technologically advanced rover to reach the planet's surface. David Greene talks to astrophysicist Neal DeGrasse Tyson, director of the Hayden Planetarium in New York City, about Curiosity's two-year visit to Mars.
Mars Rover Curiosity Keeps Busy On Red Planet
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