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Planetary science

Out on the edge

The Kuiper Belt, beyond Neptune, is the third great domain of the Solar System, and home to the Pluto–Charon binary. What are the prospects for exploration of these distant worlds?

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Figure 1: Defrosting Pluto.


  1. * From Here to Pluto–Charon: A New Horizons PKB Mission Workshop, Southwest Research Institute, Boulder, Colorado, USA, 20–21 May 2002.


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Correspondence to William B. McKinnon.

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McKinnon, W. Out on the edge. Nature 418, 135–137 (2002).

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