History of Asteroid 300x230 NASA Scientists Discovers History of Asteroid Impacts in Earth RocksThe latest research study of US space agency NASA concludes that billions of years ago, giant asteroids hit Earth with more frequency that was higher than the previously thought.

These asteroids, similar or larger than the one is the cause of the dinosaur extinction, believed to have killed the dinosaurs, would have seemed to be 10 km in diameter. Read the rest of this entry…

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