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Gall Anonim
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NASA's Plan To Save Earth From Asteroid Bennu! - Asteroid Bennu was discovered in 1999. It's diameter is 500 meters and mass 78 billion kilograms. There is 1 in 2700 chance of Bennu hitting Earth between ...
Dodał: Gall Anonim
Wyświetleń: 30
Dodał: Gall Anonim
Wyświetleń: 50
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