E122 10-11-19 Near-Earth Objects Could Be Used by Extraterrestrials ‘To Watch Our World,’ Stunning Study Suggests

The study’s sole author, James Benford, says that there could be hundreds, or even thousands, of stars that have been close enough to the Earth throughout its history for a potential intelligent civilization to make contact. Such a civilization may have seen on the Earth single-celled organisms or possibly dinosaurs, depending upon when they viewed them.