The interaction is gravitational. The first experimental evidence for
gravitational waves was the correct derivation of the observed orbital
decay of a double star due to energy radiated as gravitational waves.
Brent
On 2/12/2016 4:57 AM, Terren Suydam wrote:
I thought the gravitational waves were generated as the black holes
rotated around one another, not (merely) as a consequence of the
collision. Also, what kinds of interactions transfer the energy/mass
of the black holes themselves into gravitational waves? I wasn't
aware that any energy was "spent" creating a gravitational wave, much
less three solar-masses worth, in this case.
On Thu, Feb 11, 2016 at 8:23 PM, John Clark <[email protected]
<mailto:[email protected]>> wrote:
On Thu, Feb 11, 2016 at 7:30 PM, Terren Suydam
<[email protected] <mailto:[email protected]>>wrote:
β > β
As amazing as detecting the gravitational waves are, I'm
actually more interested in what happens when those two black
holes collide... is the resulting explosion entirely contained
in the event horizon or is there any possibility that
matter/energy can escape due to the high energies involved?
βIt wasn't an explosion if anything it was an implosion and the
results were not contained within the event horizon, if they were
we wouldn't have been able to detect it. What we detected was a
36 solar mass black hole merging with a 29 solar mass black
hole and producing a 62 solar mass black hole with the missing 3
solar masses being converted into energy in the form of
gravitational waves, which is what LIGO saw. It all happened in a
fifth of a second. If 3 solar masses had been converted to light
instead of gravitational waves during that fifth of a second it
would have been brighter than the rest of the universe put together.
John K Clark
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