In the novel, "The Killing Star" by Charles Pellegrino, we're attacked by aliens whose opening salvo is 1,000 rocks massing a ton each that strike the Earth at 90% of the speed of light.
We lose.
24 posted on 08/04/2013 10:32:10 AM PDT by Kip Russell
(Be wary of strong drink. It can make you shoot at tax collectors -- and miss. ---Robert A. Heinlein)