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Published online 22 August 2008 |
Nature
| doi:10.1038/news.2008.1058
Corrected online: 22 August 2008
News
A star set in ice
A ring of extrasolar debris may be analogous to the Sun's Kuiper belt
Astronomers have spotted a disk of dust and ice ringing a young Sun-like star 165 light years away. The icy signature of the disk and the collisions between bodies inferred to be taking place there suggest it is similar to the Sun's Kuiper belt, a disk of small icy bodies that extends beyond Neptune.
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