Super turbo mega double double extra credit: the earth’s total diameter is 12700 kilometers, with the solidified, ocean-covered crust that is at its thickest 35 kilometers wide. these massive sizes and the difference between them may be hard to imagine, so scale-model globes of the earth shrink our tremendous planet down to a more manageable size. if the earth’s diameter was shrunken to the size of a basketball (24.2 centimeters across), how thick would the earth’s crust be in this model earth, in centimeters?