Polarity of a planet's lightning strikes reversed?
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On Earth, the planet itself is negatively charged and the clouds are positively charged, causing lightning to travel from the clouds to the surface. While there are significantly smaller wisps of lightning that reach from the Earth to the clouds and the bolt that is travelling down, would it be possible to have a planet in which the charges are reversed, causing lightning that arcs from the planet to the clouds?
If possible, how would this different charge affect an Earth like planet?
This post was sourced from https://worldbuilding.stackexchange.com/q/4069. It is licensed under CC BY-SA 3.0.
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