Categories Physics & Astronomy How do we know that Voyager 1 has left the Solar System? Post author By Keith Post date March 22, 2013 No Comments on How do we know that Voyager 1 has left the Solar System? This “Family Portrait” of the Solar System was taken on February 14, 1990 by Voyager 1 at a distance of 3.7 billion miles from Earth. Source: NASA/JPL. Continue reading “How do we know that Voyager 1 has left the Solar System?” Tags Astronomy, featured
