Exam-style question
Try this first
Which of the following best describes the density of neutron stars?.
- A.Similar to that of water.
- B.Higher than that of any known material.
- C.Lower than that of a black hole.
- D.Equal to that of a white dwarf.
Model answer
What a good answer should say
- Higher than that of any known material.
Explanation
Why this works
Neutron stars have an incredibly high density, often exceeding that of any known material, as they are composed almost entirely of neutrons packed closely together.
Common mistake
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