Happy Birthday, Voyager 1! Far-flung Spacecraft Is 36, But Has It Left the Solar System?
Thursday, September 5, 2013 - 07:30
in Astronomy & Space
Scientists debating whether or not NASA's Voyager 1 spacecraft has already left the solar system can come together today (Sept. 5) to celebrate an uncontroversial milestone — the 36th anniversary of the venerable probe's launch.