PLANETARY SCIENCE:
Puzzling Neptune Trojans
Francesco Marzari
An asteroid has been found in a highly inclined path co-orbiting with Neptune. Its discovery may help explain the evolution of the outer solar system.
The author is in the Department of Physics, University of Padova, Via Marzolo 8, Padova I-35131, Italy. E-mail: francesco.marzari{at}pd.infn.it