On Jan. 2, 2004 NASA's Stardust spacecraft made a close flyby of comet
Wild 2 (pronounced "Vilt-2"). Among the equipment the spacecraft
carried on board was a navigation camera.that Comet Wild 2 is about 3.1
miles in diameter. This artist's concept depicts a view of Wild 2
that shows the faint jets emanating from the comet. Image Credit:
NASA/JPL-Caltech