Prepare for one large asteroid collision with Earth

[hubag bohol]

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'. -- http://www.youtube.com/