[Agnemon]

Could the earths core have a hollow centre of some millimetres, metres or even 10's of metres?

Consider the following assumptions, Gravity is the accumulated attraction of mass particles (in laymans terms, I'm a layman )

At the core the volume of mass inwards reduces as you get closer to the core, whereas the volume outwards increase's.
Add in centripetal force (assuming the core spins).

Could you not then get the situation where centripetal force exceeds the gravitational force creating a massless cavity?

Agnemon (The noob)

[Geosciences-Forum.com]

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