Like
the plot of a sci-fi film, a prominent asteroid defense expert says
destroying an asteroid with a nuclear warhead could be the best
protection if a dangerous asteroid appeared to be on a collision course
with Earth. http://bit.ly/11pOvyS
Such a mission, which would cost about $1 billion, could be developed
from work NASA is already funding, says Bong Wie, director of the
Asteroid Deflection Research Center at Iowa State University.
Such a mission, which would cost about $1 billion, could be developed from work NASA is already funding, says Bong Wie, director of the Asteroid Deflection Research Center at Iowa State University.
