You've seen NASA send spacecraft to the Moon, Mars, and around many other planets in our solar system, and beyond. But did you ever wonder how these spacecraft are powered? They have to last for many, many years and let's face it, there isn't a charging station in space? Well, our guest today knows all about powering spacecraft! Carl Sandifer, manager of the Radioisotope Power Systems Program at NASA Glenn Research Center explains everything. After all, without power, spacecraft can't do anything. Don't miss this amazing and intriguing interview.

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