Forget world records because astronomers recently announced a new solar system record - the fastest spinning large asteroid ever discovered. It's about the length of eight football fields, but it ...
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Thousands of 'city killer' asteroids could hit Earth, NASA's planetary defense officer reveals
NASA experts are raising alarms about the growing threat posed bynear-Earth asteroids, with some of these objects having the potential to cause devastating damage to cities. While some large asteroids ...
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