A Stellar Core of About 2 Solar Masses Collapses Inward

question 225

Multiple Choice

A stellar core of about 2 solar masses collapses inward in a supernova explosion.What is the result of this collapse?

• A) a neutron star supported from further collapse by neutron-degeneracy pressure
• B) a black hole with infinitely small radius since nothing can prevent such a mass from collapsing completely
• C) a star a little smaller than the size of the Sun supported from further collapse by gas pressure from the hot interior of the star
• D) a white dwarf supported from further collapse by degenerate-electron pressure

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Definitions:

Debit

An accounting entry that results in either an increase in assets or expenses or a decrease in liabilities, equity, or income.

Credit

The provision of resources (like money) by one party to another, where repayment is expected in the future, often with interest.

Journal Entries

Records of financial transactions in the double-entry bookkeeping system, noting debits and credits for each transaction.

Posting

The process of recording financial transactions in the ledger of an accounting system.