>>>I never thought with dust and all that the power cells would generate enough electricity this long. And never tought it would have enough power to get free. Luckily it wasn't mud, was it? <g>
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>>I am not sure about this one, but in general, for space exploration, energy is often obtained from two sources: 1) Photovoltaic (solar) cells - these were developed for spacecraft in the first place, 2) Nuclear energy. When spacecraft such as Voyager goes very far away from the Sun, only option 2 is feasible.
>
>Correct. That little guy has photocells on the top of his body. One of the conceerns was that dust would slowly settle on the cells and reduce efficiency to the point where it may render it unusable without a way to scrub it.
>
>Maybe it needa a windshield washer/wiper combination? <g>
What, no squeegee-kids on Mars?
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