After 12 years and over 3.5 billion miles traveled, it's farewell to Stardust

After 12 years and over 3.5 billion miles traveled, it's farewell to Stardust: "NASA's comet trekking spacecraft Stardust has officially ended operations. Stardust sent its last transmission to Earth on March 24 having traveled an incredible 3.54 billion miles (5.69 billion kilometers) over a 12 year period to become 'NASA's most traveled comet hunter.'"