This is the planet that smashed into Earth and created the Moon, and pieces of it are buried deep below us

Almost 50 years ago, researchers found two massive blobs of iron-rich rock, each the size of a continent, near the center of Earth. Now, researchers have determined that these blobs—one underneath Africa and the other below the Pacific Ocean and called large low-velocity provinces (LLVPs)—are remnants of a planet called Theia that smashed into Earth 4.5 billion years ago. — Read the rest