This Harvard professor claims an alien spaceship visited us in 2017
This Harvard professor claims an alien spaceship visited us in 2017 Sanity checks He may or may not be right, and there is no way of proving or disproving this idea. But claims like this, especially from experienced scientists are disliked by the scientific community for many reasons. If we decide that anything slightly odd that we don’t understand completely in astronomy could be aliens, then we have a lot of potential evidence for aliens – there is an awful lotwe don’t understand....