Why is the finding about Centaurus X-3 considered unusual?
- A.A high-mass X-ray binary usually captures stellar wind directly instead of forming a disk
- B.The pulsar was found to have no magnetic field at all
- C.The companion star was found to be smaller than the Sun
- D.The system was found to lie outside our galaxy
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In such pairs the companion is a massive star that sheds a strong wind, and the pulsar ordinarily feeds on that wind as it passes, so an orderly disk of matter is not expected.
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