| Meteors, Asteroids and Comets |
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| Microscopically magnified image of track 25, created by a particle from comet Wild 2 during its capture in aerogel, more informally known as "solid smoke." Four cometary particles are circled, including the ones designated Inti-B and Inti-C. Scientists had removed the larger Inti particle from the end of the track at right before the image was taken. The track measures less than a tenth of an inch long. Credit: University of Washington |
01/14/09
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