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Science 2 March 2001:
Vol. 291. no. 5509, p. 1680
DOI: 10.1126/science.291.5509.1680a
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News of the Week

PLANETARY SCIENCE:
Cosmic Misfits Elude Star-Formation Theories

Dennis Normile

TOKYO--Members of a strange new class of celestial body--once seen as anomalies--are being discovered in increasing numbers, forcing astronomers to sit up and take notice. Too small to fit conventional definitions of brown dwarfs, these objects nonetheless move through star-forming regions in a manner that separates them from planets orbiting a star. Now a Japanese team has reported discovering more than 100 of them in a star-forming region known as S106.

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