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Solar System

Sifting through the debris

A quadrillion previously unnoticed small bodies beyond Neptune have been spotted as they dimmed X-rays from a distant source. Models of the dynamics of debris in the Solar System's suburbs must now be reworked.

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  1. Chang, H. -K. et al. Nature 442, 660–663 (2006).

    ADS  CAS  Article  Google Scholar 

  2. Edgeworth, K. E. J. Br. Astron. Assoc. 53, 181–188 (1943).

    ADS  Google Scholar 

  3. Luu, J. X. & Jewitt, D. C. Annu. Rev. Astron. Astrophys. 40, 63–101 (2002).

    ADS  Article  Google Scholar 

  4. Elliot, J. L. & Olkin, C. B. Annu. Rev. Earth Planet. Sci. 24, 89–124 (1996).

    ADS  CAS  Article  Google Scholar 

  5. Bailey, M. E. Nature 259, 290–291 (1976).

    ADS  Article  Google Scholar 

  6. Kenyon, S. J. & Bromely, B. C. Astron. J. 128, 1916–1926 (2004).

    ADS  Article  Google Scholar 

  7. Roques, F., Moncuquet, M. & Sicardy, B. Astron. J. 93, 1549–1558 (1987).

    ADS  Article  Google Scholar 

  8. Cooray, A. Astrophys. J. 589, L97–L101 (2003).

    ADS  Article  Google Scholar 


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Cooray, A. Sifting through the debris. Nature 442, 640–641 (2006).

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