About 4.5 billion years ago, Earth had a violent neighbor. A young, still-forming planet named Theia slammed into our world with enough force to melt vast portions of its mantle and scatter a huge ...
The Daily Galaxy on MSN
The Earth Has a Secret Past—Here’s What Scientists Discovered Deep Inside the Planet’s Mantle
Deep within Earth’s mantle, scientists have uncovered surprising evidence that traces of the planet’s early form,proto-Earth, ...
New research suggests Earth's Moon formed from the catastrophic collision of our planet with its \"sister\" planet, Theia, ...
A tiny sample of the Moon locked away for more than 50 years turns out to have been hiding an astronomical secret.
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