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☆☆☆☆☆The Earth's core.
Wondering slowly with no pattern
The sun's pole reversal is tied to the cycle of sunspots.
The suns pole reversals are tied to its seasons. This can be shown on a graph.
The oldest continental crust would be between three and one half to four billion years older than the oldest oceanic crust. This is due to the fact that ocean plates are subducted under the continental plates, subjected to partial melt and essentially recycled in the mantle before reforming.
The iron nickel core has been determined to actually exist from the examination of meteorites, from the gravitational field of Earth, and from the Earth's density in comparison to its volume.
denser
refraction refraction
compass magnets can be deflected by earths magnetic field or other permanent magnets
Evidence is not used to support theory.
Theory is used to explain evidence, and to predict where and how new evidence may be found.
When new evidence is found that theory can't explain, the prevailing theory is modified or discarded.
Existing
The molten bit of the Iron core.
They proved that the seafloor was spreading.
The continental crust is up to 70 km thick.
The north of the compass points to Earth's magnetic south pole, which is to the north.
