All over the news this, sat working at home and the extra terrestrial angle mentioned once again on the radio.
Clearly, can't rule out everything, but surely if there is no explanation for the source of the objects, there are three massive questions that sit in my mind:
1) Space is incomprehensibly massive, thus any space travelling species clearly has technology far advanced than ours.
2) Based on this, surely said species would have technology to disguise any probing........and unless they are playing games with us as a test, we wouldn't have the capability to easily shoot any of their technology down.
3) A lot of films always portray the invasion theory that a species would look on the earth with envious eyes......but if you have the capability for space travel surely there are billions of other planets similar to earth, uninhabited and less ravaged, and easier picking.
Anyhow, my thoughts and surely it is more likely the Chinese/Russians/North Koreans messing around.