The variations from a sphere are at the scale of a few tens of kilometers. The Earth is otherwise a sphere with a diameter over 12,000 kilometers. Scale that to a basketball and see if there is a visible difference. Before there was liquid water, there was molten rock...
The variations from a sphere are at the scale of a few tens of kilometers. The Earth is otherwise a sphere with a diameter over 12,000 kilometers. Scale that to a basketball and see if there is a visible difference. Before there was liquid water, there was molten rock...