60 Minutes S46 E2 | "Even a dark asteroid can't hide from an infrared light," says Amy Mainzer, a NASA scientist who focuses on detecting asteroids

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"Even a dark asteroid can't hide from an infrared light," says Amy Mainzer, a NASA scientist who focuses on detecting asteroids. She shows Anderson Cooper how a heat-sensitive sensor works. Air Date: Oct 6, 2013

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60 Minutes S46 E2 | "Even a dark asteroid can't hide from an infrared light," says Amy Mainzer, a NASA scientist who focuses on detecting asteroids

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