Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleGravitationally unbound comets move in predominantly retrograde orbits.AuthorsMatese, J.J.; Whitman, P.G.AbstractReports that unbound comets are more likely to move in retrograde orbits. Theory; Method; Observations; Calculations.SubjectsCOMETSPublicationNature, 1991, Vol 352, Issue 6335, p506ISSN0028-0836Publication typeArticleDOI10.1038/352506a0