questionedithistorytranslationsCurrent version This is the accepted version. added by life-o-holic July 19, 2012, 11:54 a.m. This is an iron buoy. Where were its atoms formed? in a high-mass star preceding Sunin the Sunin the Earth's corein the Earth's crustRadioactive nickel-56 (which decays to the most common isotope of iron) is the last element to be produced before the collapse of a supernova. That is why the iron was abundantly scattered into space after the supernova explosion.life-o-holicShare and bring new players to the game!0Very uninterestingToo difficultPoorly writtenIncorrect or questionableCorrect this question1Very interesting!reach: rather globalastronomychemistryelementsphysicstechnologyVotes +1 Very interesting! Ebitu Ukiwe Acceptable globalquiz.org