Imminent Anterior Aneurysm wrote:
Not very original, First Contact used a moon to hide the Enterprise from the Vulcans.
Actually the "hiding behind / in a moon" device dates back to The Wrath of Khan
. (Extra TWOK reference points!)
Besides that, they didn't know the Vengeance was coming until it was already too late.
In point of fact I did mention and address that, you may want to re-read.