Quote:
Originally Posted by rustigsmed
ok originally I thought the singularity was a tiny ball of infinitely heavy matter, and now I know that's not the case.
how do black holes grow in size (circumference) and gravitational pull? if the matter that goes 'into' a black hole effectively becomes massless energy (I hope I've got that right), you would think (well some may) that there is therefore no reason for the black hole to change from its original size which was dependent upon its original host star's size?
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It's E=mc^2 at work.
BHs even gain mass when massless photons pass over the even horizon.
The conversion of energy into mass has been demonstrated by the production of positron/electron pairs from high energy photons.
Regards
Steven