Quote Originally Posted by ejburke View Post
Given that simultaneity is relative, especially over larger than solar distances, there's really no way to zap everything in the galaxy at once. Each Halo installation is far enough away from the others that, depending on your intertial frame, one might fire weeks or months before or after the other, giving you plenty of opportunity to avoid each individual pulse, provided that you had a fast enough space ship and the math skills to chart a course that takes advantage of the principles of special relativity. Not to mention, if your ship was capable of faster-than-light travel, you essentially have a time machine and REALLY don't have to worry about the Halo pulse.

But I'll let that slide.
Two words.
Slip Space.