A Stellar Core of About 2 Solar Masses Collapses Inward

question 149

Multiple Choice

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

• A) neutron star supported from further collapse by neutron-degeneracy pressure
• B) black hole with infinitely small radius because nothing can prevent such a mass from collapsing completely
• C) 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) white dwarf star supported from further collapse by degenerate-electron pressure

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