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Science 14 October 2005:
Vol. 310. no. 5746, p. 191
DOI: 10.1126/science.310.5746.191b
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This Week in Science

Since the mid-1990s, more than 150 planets have been discovered in orbit around stars outside the solar system. As a result of increased precision and power of planet-search surveys, a wide variety of these objects has been identified. Santos et al. (p. 251) review these findings and how they relate to theories of planet formation. As the database of exoplanets continues to grow, such observations should answer key questions about chemical and physical processes involved in formation of planetary systems.




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