Friday, March 12, 2010

Are Our Asteroid-Destroying Nukes Big Enough?

Asteroids! courtesy of Sandia National Laboratory

From Popular Science:

A new study shows that blasted asteroids could re-form, Terminator-style.

Pop quiz. An asteroid the size of Manhattan is hurtling towards Earth, its impact is sure to result in mass extinction and the destruction of humanity as we know it. What do you do?

The traditional answers would be "blow it up". But new research from Los Alamos National Lab and the University of California, Santa Cruz, shows that if the asteroid isn't moving fast enough, or if the nuke isn't big enough, the asteroid will pull itself back together, T-1000-style, within a matter of hours.

Read more ....

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