Paul Warren, Edward Young (holding sample of a rock from the moon) and Issaku Kohl. Photo by Christelle Snow/UCLA
UCLA News:
- UCLA-led research reconstructs massive crash, which took place 4.5 billion years ago
The moon was formed by a violent, head-on collision between the early Earth and a “planetary embryo” called Theia approximately 100 million years after the Earth formed, UCLA geochemists and colleagues report.
Scientists had already known about this high-speed crash, which occurred almost 4.5 billion years ago, but many thought the Earth collided with Theia (pronounced THAY-eh) Read More










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