He kaitirotiro o ngā ahanoa i roto i te Solar System, i mahi a Schiaparelli i runga i ngā whetū takirua, i kitea te whetū nui o te whitiki matua 69 Hesperia i te 29 Paengawhāwhā 1861, ā, i whakamātauria e pā ana ngā meteorite ki ngā komete. I whakamātauria e ia, hei tauira, ko te arawhata o te Leonid meteor shower i ōrite ki tērā o te komete Tempel-Tuttle. Nā ēnei kitenga i whakatakoto ai te kaitirotiro i te ariā, i whakamātauria i muri mai he tika, ko ngā meteor shower te ara o ngā komete. He tino hiahia hoki ia ki ngā aorangi o roto o Mercury me Venus. He maha ngā tātuhi i hangaia e ia, ā, i whakatauria e ia ō rātou wā hurihanga. I te tau 1965, i whakaaturia e hē ana me ētahi atu ine o te pānga o Mercury.
ngā rerenga o ngā komete