Scientists Found a Piece of a Lost Planet in the Sahara
http://youtu.be/XYMzzuABBa4
Hidden deep within the burning sands of the Sahara Desert, scientists have just uncovered a seemingly ordinary space rock that is completely rewriting the history of our early solar system. By analyzing a highly unusual chemical signature inside this rare 4.5-billion-year-old meteorite, researchers have confirmed it is actually a surviving fragment of a massive, long-lost protoplanet. The rock contains unique aluminum-rich crystals that could only have formed under the immense, crushing pressure of a giant parent body nearly the size of Mars. This colossal proto-world was built from completely different materials than Earth before it was violently smashed to pieces during a catastrophic cosmic collision billions of years ago. Click the video to explore the grou...
