>> Doug Jones wrote:. The total delta-V needed to divert an object from
>> collision given 20-30 years advance notice is only a few millimeters per
>> second. This impulse would be delivered, not by a cratering surface or
>> subsurface explosion, but by a series of many blasts, each at an
>> altitude of .4 radius from the surface....
That being the case....how about a laser instead?
Wouldn't a properly placed laser beam of the correct intensity cause a
similar spalling effect with similar changes of orbit?......I would think
that an orbital 'droid watch laser station would be much cheaper and more
practicle.....
Evmick
This archive was generated by hypermail 2b29 : Thu Jul 27 2000 - 14:14:28 MDT