A shekara ta 1988, Sussman da Hikima sun sami bayanai ta amfani da Orrery wanda ya bayyana cewa yanayin Pluto yana nuna alamun rikici, a wani bangare saboda yanayin da yake da shi na musamman tare da Neptune.Idan yanayin Pluto yana da rikice-rikice, to, a zahiri dukkanin tsarin hasken rana yana da rikice-rikice, saboda kowane jiki, har ma da ƙananan kamar Pluto, yana shafar wasu zuwa wani mataki ta hanyar hulɗar nauyi. Tambaya: Daga ina ne ƙungiyar Sussman ta fito?
MIT