Brian Tung wrote:

Maybe if the spaceship were to land on the comet and do a chemical
analysis there, people wouldn't see it as wasteful. But as others have
commented, why do something high tech when you can get as much using
low tech for less money?


I think the chemical analysis is done by the "parent" craft when it
flies through the debris the "bullet" creates after impact. At least
that is my understanding of it, I could be wrong.

--
-Sayf