lundi 21 mars 2016

Luminal speed, inertial and gravitational mass and black hole formation

I'm sure you will be comforted in the knowledge that this will be a question and not a proclamation. :boxedin:

According to General Relativity, a body approaching the speed of light experiences an increase in what I assume is its inertial mass, theoretically reaching infinite mass (whatever that is) at luminal speed. Another body (presumably a star of mass greater than 25 solar masses) through gravitational mass (I presume) forms a black holes when its stellar fuel is depleted.

Since one of GR's pillars is that gravitational and inertial mass are equivalent, what would prevent a body (very much smaller than 25 solar masses, for instance) from becoming a black hole as it approached luminal speed and easily exceeded the 25 solar mass requirement for black hole formation as it passed this hallmark on the way to 'infinite mass' given that inertial and gravitational mass are equivalent?


via International Skeptics Forum http://ift.tt/1UxFGUC

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