How Does a Black Hole Form from a Massive Star

question 96

Multiple Choice

How does a black hole form from a massive star?

• A)During a supernova,if a star is massive enough for its gravity to overcome neutron degeneracy of the core,the core will be compressed until it becomes a black hole.
• B)Any star that is more massive than 8 solar masses will undergo a supernova explosion and leave behind a black-hole remnant.
• C)If enough mass is accreted by a white-dwarf star so that it exceeds the 1.4-solar-mass limit,it will undergo a supernova explosion and leave behind a black-hole remnant.
• D)If enough mass is accreted by a neutron star,it will undergo a supernova explosion and leave behind a black-hole remnant.
• E)A black hole forms when two massive main-sequence stars collide.

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Definitions:

Competition

is the rivalry among sellers in the same market to attract customers by offering better terms, quality, or services.

Freedom of Enterprise

Freedom of enterprise is the principle that individuals or businesses have the right to own, operate, and profit from their own ventures in an open market with minimal government interference.

Division of Labor

The assignment of different parts of a manufacturing process or task to different people in order to improve efficiency.

Labor Markets

The supply of available workers in relation to available work, and the dynamics of wages, employment, and labor demand.