Five Years Gone Pioneer 10, the first outer planets explorer, was last heard from on January 22, 2003. January 22, 2008 Get our newsletter! Get our newsletter! Pioneer 10, the first outer planets explorer, was last heard from on January 22, 2003. AirSpaceMag.com You Might Also Like Triple Crescent July 27, 2015 The Rebirth of “America by Air” January 31, 2018 MiG Over Tahoe April 13, 2009 Orion's Clouds May 1, 2017 Mustang and Raptor at Dusk September 21, 2015 Get the latest stories in your inbox every weekday. Email Powered by Salesforce Marketing Cloud (Privacy Notice / Terms & Conditions)
