Observations
Could Another Chelyabinsk-Scale Meteor Sneak Up on Us?
February 20th, 2013 |
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When a 17-meter asteroid barreled into Earth’s atmosphere over central Russia on February 15, releasing a powerful shock wave that injured more than 1,000 people, many observers wondered how such a momentous event could arrive unheralded. The fact is, the object that exploded in a fireball over Chelyabinsk, releasing hundreds of kilotons of energy, was [...]
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