City lights on Earth glowing at night

Picture taken of Earth from space showing the glow from electric lights at night. Image Credit: NASA

      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.

More Information:
http://ksnn.larc.nasa.gov/webtext.cfm?unit=staticelectricity   →