Ahavuye isanamu, Getty Images Insiguro y'isanamu, Abahinga mu kwiga ibinyenyeri /Astronomie, babonye uwundi mubumbe bakoresheje ibiharuro bakurikiye umurongo w'umuzunguruko wa Uranus Kuvumbura Neptune vyatumye abahinga bamenya ko ibiharuro atari ibintu biri mu vyiyumviro gusa, ahubwo bibaho mu buzima bwa minsi yose.
