>> 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
This archive was generated by hypermail 2b29 : Thu Jul 27 2000 - 14:14:28 MDT