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      electric current, the movement of negative particles through a material, used
      as a source of power

NASA uses solar power to make electricity on the space station.

During the thunderstorm, the electricity went out and we couldn't watch TV.



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City lights on Earth glowing at night
Picture taken of Earth from space showing the glow from electric lights at night.
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Page Last Updated: October 9th, 2014
Page Editor: Sandra May