March 24, 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’.
This article was posted: Sunday, March 24, 2013 at 8:55 am