Why Is Iron Significant to Understanding How a Supernova Occurs

question 44

Multiple Choice

Why is iron significant to understanding how a supernova occurs?

• A)Iron is the heaviest of all atomic nuclei,and thus no heavier elements can be made.
• B)Supernovae often leave behind neutron stars,which are made mostly of iron.
• C)The fusion of iron into uranium is the reaction that drives a supernova explosion.
• D)Iron cannot release energy either by fission or fusion.

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