User blog comment:Feeling-Chalant/Since the Mode isn't crashed..../@comment-108.93.221.119-20120823010831/@comment-4928331-20120827040654

Actually, there is nothing to indicate the aliens are time-sentient at all. We have seen the heroes of Earth caught entirely flatfooted regarding the alien incursion. They had no idea whatsoever of the Kroloteans. If it were not for Lobo, they would still be ignorant. This shows that the bad guys have a huge advantage over the good guys, and would have eventually overpowered the heroes in the future.

The creation of Neutron, for example, was not a result of time-travel. But his cure WAs a result of Bart's meddling with time. There are two changes to the time stream, one obvious and one subtle.

Obvious: Neutron's gigantic scar, inhibitor collar, and prison garb

Subtle: The ash and snow permeated the environment when Impulse was leaving for the past. http://upload.jetsam.org/images/Before%20Impulse.jpg

The fallout is all gone after Neutron was saved. Although the Watchtower and Mt. Justice are still wrecked. http://upload.jetsam.org/images/After%20Impulse.jpg