The last time man walked on the moon was in 1972. Now, NASA is planning to re-visit the moon by the year 2020 -- but a shocking discovery about Earth's companion may put a hold on those plans.
via sciencedaily.com
2008. On the side of the moon facing the sun, ultraviolet particles disrupt the electromagnetic effect, keeping the voltage at low levels, but on the dark side, the voltage can reach hundreds or thousands of volts.
If astronauts walked across the charged surface, they might feel a static shock -- just like walking across a carpet and then touching a door knob. It's not a deadly shock, but a powerful zap!
