Nkwupụta mbụ bụ́ isi e mere banyere ọnwa ọzọ nke ụwa bụ nke onye France bụ́ ọkà mmụta mbara igwe bụ́ Frédéric Petit, bụ́ onye nduzi nke ụlọ nnyocha nke dị na Toulouse Observatory, France, mere.
N'ezie, ụdị ahịrịokwu dị mgbagwoju anya bụ "Onye mbụ kwuru na ọnwa ọzọ nke ụwa bụ onye France bụ Frédéric Petit, onye nduzi nke ụlọ nyocha na Toulouse Observatory, France, onye kwupụtara na ọ chọpụtara ọnwa nke abụọ na orbit elliptical gburugburu ụwa. "