Most of the Energy During the Collapse of the Iron

question 69

Multiple Choice

Most of the energy during the collapse of the iron core of a supergiant star is released in the form of neutrinos-nearly massless subatomic particles that rarely interact with matter.So how is it they can blow away a stars outer shells?

• A)Although they rarely interact with matter,the sheer number released during the collapse is enough to move most of the star's mass into surrounding space at incredibly high rates of speed.
• B)By creating a massive magnetic field that convulses in on itself,ripping away the stars outer shells
• C)When neutrinos exceed a certain speed,22,300 km/s,they interact with matter quite effectively.
• D)By developing a temporary,but relatively strong positive charge

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