At Which Phase of Its Evolutionary Life Is a White

question 18

Multiple Choice

At which phase of its evolutionary life is a white dwarf star?

• A) post-supernova phase, the central remnant of the explosion
• B) just at main-sequence, or hydrogen-fusion, phase
• C) very late for small-mass stars, in the dying phase
• D) in its early phases, soon after formation

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ICD-9

The International Classification of Diseases, Ninth Revision, a coding system used to classify diagnoses and health problems.

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The 10th revision of the International Classification of Diseases, a coding system for diagnosing and classifying diseases.

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