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Q. A cataclysmic nuclear explosion caused by the accretion of hydrogen onto the surface of a white dwarf star, would be termed as ___?
Answer: Nova
Notes: A nova is a transient astronomical event that causes the sudden appearance of a bright, apparently "new" star, that slowly fades over time. It is caused by a nuclear explosion, caused by the accretion of hydrogen onto the surface of a white dwarf.
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