Earth Investigated - 2008x12 - Asteroid Alert- Followmy.tv

Cosmic debris is an ever present threat to humanity, but what are we doing to protect ourselves? Here we look at new research to determine exactly what the threat is and what we are doing to safeguard our future in the face of the dangers from space. Most of the huge 'dinosaur killing' asteroids have been identified and tracked but the possibility of them impacting is extremely rare. The newly identified danger is the much more numerous and smaller asteroids.