Board Thread:Naruto Discussions/@comment-26127155-20150326052215/@comment-3279282-20150418121730

The "how" is not important in a discussion about the "if". We're discussing if they came from another planet, which the databook confirms. How they did it, no one knows. Going by the databook, they flew.

And don't get me started on the plotholes in Naruto. That list would have no end.