Quote:
Originally Posted by Atmos
There is always a possibility that there will not be any detectable GRB or neutrino fallout with a black hole merger. Certain Type II sn are neutron star-neutron star or neutron star-black hole mergers but in cases there is at least one object that has material outside of the event horizon radius 
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Q.3 What is "happening" at the point of contact and subsequent merging of the event horizons in the case of two black holes colliding and forming a single black hole? How do we geometrically and mathematically describe the event horizons of the two black holes as they touch and combine? Do special contact and intersection points form? If so, what happens at these points
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