If an 08 M_⨀ White Dwarf Could Accrete Matter from a Binary

question 18

Multiple Choice

If an 0.8 M_⨀ white dwarf could accrete matter from a binary companion at a rate of 10⁻⁹ M_⨀/yr,how long would it take before it exploded as a Type I supernova?

• A)600 thousand years
• B)20 million years
• C)200 million years
• D)600 million years
• E)1 billion years

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