Is the inner core of earth affected by the moon?

[DirectChange]

If so, how??

 

[DirectChange]

Also, would an Iron-nickel alloy stay hot longer than a iron-sulfer combo?

 

[Drakkith]

Only by the gravitational pull, like the rest of the Earth is. This distorts it very slightly, just like the rest of the Earth is distorted very slightly by its pull.

Not sure about the 2nd question.