The iron we commonly find in our surroundings came from:
A) the iron core of a massive star which exploded as a type I supernova.
B) planetary nebulae.
C) jets ejected by a rapidly spinning pulsar.
D) material ejected by a nova explosion.
E) decay of nickel 56 and cobalt 56 in a supernova remnant.

Question

Quizplus · Accepted Answer

Iron is primarily formed through the decay of nickel-56 and cobalt-56, which are produced in the core-collapse supernovae of massive stars.

The Iron We Commonly Find in Our Surroundings Came From