Bibcode:1997PrOce..40....7M. doi:10.1016/S0079-6611(97)00021-9. ↑ Wikibooks:Wikijunior:Solar System/What will happen to the Solar System in the future ↑ Murray, C.D.; Dermott, Stanley F. (1999). Solar System Dynamics. Cambridge University Press. p. 184.