Exam-style question
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What happens to the core of a massive star during a supernova event?.
- A.It expands and cools.
- B.It collapses into a neutron star or black hole.
- C.It becomes a white dwarf.
- D.It disappears completely.
Model answer
What a good answer should say
- It collapses into a neutron star or black hole.
Explanation
Why this works
During a supernova, the core of a massive star collapses under its own gravity, leading to the formation of either a neutron star or a black hole, depending on the mass.
Common mistake
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