You might call it the ultimate long shot — a group of space enthusiasts trying to re-establish contact with a wayward satellite launched in 1978. Figuratively speaking, it's been off the radar for decades.
"The initial contact was a tone followed by specific commands," project organizer Keith Cowing told NPR's Nell Greenfieldboyce by email. "We learned a lot simply by being able to talk to it and get it to do things.
"May not sound like much but that was a huge unknown," he adds.