Can Asteroids pose a threat to Earth? NASA expert reveals the truth
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Do you think asteroids will ever hit the Earth? After all, there are many instances of asteroids smashing into Earth, or exploding in its atmosphere, a long time ago in the past and very much so recently too - just recall the recent Chelyabinsk asteroid.However, at the moment, NASA says that there are no known impact threats from asteroids. Having said that, tiny meteorites break into Earth's atmosphere all the time and hit the ground. One just hit a woman in the chest while she was having coffee in her balcony! It was small and had hit the roof before falling on her. What do scientists say?Dr. Kelly Fast, planetary defense expert and a manager in NASA's Planetary Defense Coordination Office explains. Dr. Fast said, “Asteroids have hit Earth over the course of its history, and it...