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Nature 436, 182-183 (14 July 2005) | doi:10.1038/436182a; Published online 13 July 2005
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Astronomy: Giant planet seeks nursery place
Artie P. Hatzes1 & Günther Wuchterl2
Abstract
A further discovery of a planet in a binary star system — this time close in — could prove a problem for accepted theories of planetary formation. The implication is that there are more planets out there than we thought.
The first discovery ten years ago of 'Pegasi' planets1 — giant planets 100 times closer to their star than the Solar System's giant planets are to the Sun — shook long-held conceptions of planetary-system formation, which took the Solar System as a template. To square the new observations with the conventional model, some astronomers adopted theories of violent planetary migrations, in which the planets move around after they form.
- Artie P. Hatzes is at the Thuringia State Observatory, Sternwarte 5, Tautenburg 07778, Germany.
- Günther Wuchterl is at the Astrophysical Institute and University Observatory of the Friedrich-Schiller-Universität Jena, Schillergässchen 2–3, 07745 Jena, Germany.
Email: artie@tls-tautenburg.de
Email: wuchterl@astro.uni-jena.de
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