Earth’s Inner core probably isn’t smooth after all, new research shows
It’s easy to look at Earth’s Inner core and imagine the texture of that solid iron ball as smooth and round. However, new research published this month in the journal Nature could prove otherwise. While many have believed that the Earth’s inner core is made up of layers, it has often been illustrated as a metal pinball of iron and other metals. According to this research, though, it has several grooves along it.
So why haven’t we found proof of these grooves before now? According to the new paper, it’s…