The current that powers the Earth, entering via the north pole and exiting via the south pole, in an electrical circuit from the sun poles, does it burn a hole through the shell similar to how lightning

Nansen mentions in Farthest North, Vol II, on page 164, when he is further north than anyone has ever been (he was also the first to cross the interior of Greenland and did so 7 years before that), that

Based on the theory of radial expansion, expansion tectonics, it seems very likely that the Earth is hollow. Seismic data also corroborates that. That does not necessarily mean that there are "polar

"In the event of weak airglow or a bright auroral display, there is no doubt in anyone’s mind what to call the phenomenon; for the borderline cases of a bright airglow or faint aurora, however, there

Casual observation shows that the aurora, along a vertical axis, have a color gradient similar to natural chromatic dispersion. That would be expected if the aurora were reflections of light from the central