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Cover Figure


COVER Hot dust clouds in the center of the Milky Way, photographed by the Infrared Array Camera (IRAC) aboard the Spitzer Space Telescope. The International Year of Astronomy gets under way this week with opening ceremonies at UNESCO headquarters in Paris; Science marks the occasion with a special News Focus section beginning on page 326) Image: NASA/JPL-Caltech/S. Stolovy (Spitzer Science Center/Caltech)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)