Not only could they easily miss us directionally as you say, they may miss us chronologically as well. I mean our recorded history is a blip in time.
Arrggg, it's just so frustrating, we're like the kid waiting for the sweet shop to open, only it may have already opened and closed, or it's not going to for the rest of the (million year) summer.
sigh
Exactly! Or, maybe it is for the best? The Native Americans didnt fair too well after meeting the Europeans!
@old-guy-photos,
Excellent point.