This ones a strange one. All so far have been the typical "flying saucer" type, are these just scout ships as some have said, if so where is the mother ship ?? I know we know nothing about our visitors?? but if they are from across the galaxy/universe how do they get here?? superluminal travel?? if so it would still take some time for them to get here.. Can they bend space bringing two points closer toghether??? perhaps they travel in a kind of stasus so time does not affect them,, if so what of familes if they have the same kind of family unit as on earth, they would be dead, unless time is different for them, as a fly lives faster than a human, an elephat lives slower.....The possibilities are endless/bound less we know next to nothing of our cosmic friends??