Which of These Is the Likely Progenitor of a Type

question 58

Multiple Choice

Which of these is the likely progenitor of a type I supernova?

• A) a mass-transfer binary, with the white dwarf already at 1.3 solar masses
• B) a contact binary, with the neutron star at 2.3 solar masses
• C) an evolved red giant which is just starting to make silicon in its core
• D) an evolved blue supergiant that is about to experience the helium flash
• E) a helium-neon white dwarf

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Definitions:

Compounded Monthly

Interest calculation method where the interest is added to the principal balance monthly, leading to compound growth.

Compounded Monthly

Interest on an investment or loan is calculated and compounded every month.

Maximize Benefits

The act of optimizing or getting the most advantageous results from a certain situation or set of resources.

Compounded Annually

Interest that is computed once per year and added to the account's total.