Large asteroid colliding with Earth probable this century
Published on Mar 20, 2013
Physicist and former Nasa astronaut, Dr. Ed Lu, discusses the possible threat that near-Earth asteroids pose to our planet. Lu claims there is a 30% chance of a five mega tonne impact happening this century. He says technologies exist that may prevent impacts to Earth, but without years of advance notice there would be 'no option'. --
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Topic: Prepare for one large asteroid collision with Earth (Read 387 times)