Images: Streaking home with piece of comet's tail Summary: NASA's Stardust space capsule, loaded with captured comet dust, is expected to make a grand return to Earth. By Bill Detwiler | July 19, 2006 -- 11:36 GMT (04:36 PDT) Follow @billdetwiler Previous | Next Image 5 of 9 aerogel test Scientists test the comet dust collector before the launch of Stardust, in February 1999. Topic: Nasa / Space Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.