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About James J. Kovalcin
Expertise
I am teaching or have taught AP physics B and C [calculus based mechanics & electricity and magnetism] as well as Lab Physics for college bound students. I have a BS in Physics from the University of Pittsburgh and a Master of Arts in Teaching from same. I have been teaching physics for 27 years.

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Careers: Teaching - the sun

Expert: James J. Kovalcin - 12/4/2007

Question
could the sun be a black hole in the future ?

Answer
No it couldn't. The gravitational force of the sun is not sufficient to drive the electrons into the protons so as to produce a neutron star - that would require a star whose mass is at least 1.5 solar masses. To produce a black hole the star needs to be approximately 3 solar masses or more.

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