Avatar - Bob Marple Jr.
Bob Marple Jr.added this to Cool Stuff
Harvard scientists say interstellar object may be a probe sent by "alien civilization"

Harvard scientists say interstellar object may be a probe sent by "alien civilization"

cbsnews.com - CBS News

A pair of Harvard scientists say a massive, fast-moving visitor to our solar system may have been a probe sent by an alien civilization. Most …

View on cbsnews.com