The mysterious object "may be a fully operational probe sent intentionally to Earth vicinity by an alien civilization," Harvard researchers say. - @NBCNewsMACH https://t.co/4FzoL0rfIN— NBC News (@NBCNews) November 6, 2018
The mysterious object "may be a fully operational probe sent intentionally to Earth vicinity by an alien civilization," Harvard researchers say. - @NBCNewsMACH https://t.co/4FzoL0rfIN