TYB.
Correct!
A glass/ceramic core makes more sense than iron-nickel. The density of calcium carbonate or silica at earth-core pressures is prolly about that of a metal (total guess).
TYB.
Correct!
A glass/ceramic core makes more sense than iron-nickel. The density of calcium carbonate or silica at earth-core pressures is prolly about that of a metal (total guess).