Scientists have found weird blobs and mountains taller than Mount Everest.
The mantle appears to be layered like an onion, with major transitions 250 miles and 410 miles down. At the 410-mile level, researchers recently identified a tremendous interior mountain range, with peaks perhaps even taller than Mount Everest. “Recently, we’ve discovered another change at about 1,000 kilometers [600 miles] depth,” Romanowicz says.
For more, check out this NBC News story.