I think it is more likely ​the Earth burped.

Harry​

On Thu, Feb 11, 2016 at 4:12 PM, Rich Murray <rmfor...@gmail.com> wrote:

> maybe the best account and video of first LIGO gravity wave 2015.09.14:
> The New Yorker: Rich Murray 2016.02.11
>
> http://rmforall.blogspot.com/2016/02/maybe-best-account-and-video-of-first.html
>
>
>
> http://www.newyorker.com/tech/elements/gravitational-waves-exist-heres-how-scientists-finally-found-them
>
> [ about 1 minute video, time slowed down about 100X -- the two black holes
> spiral around each other, making 11 half-turns before merging suddenly
> the black holes are invisible, so we see their twisted space-time showing
> highly distorted swirling views of their far away galactic background --
> this happened
> 1.3 billion years away ( 1.3 billion years ago -- our nearest neighbor
> galaxy Andromeda is about 2.2 million lightyears away ( 2.2 million years
> old from us -- our galaxy is about 0.1 million lightyears wide... ]
>
> TODAY 10:30 AM
> Gravitational Waves Exist: The Inside Story of How Scientists Finally
> Found Them
> BY NICOLA TWILLEY
>
> "Just over a billion years ago, many millions of galaxies from here, a
> pair of black holes collided.
> They had been circling each other for aeons, in a sort of mating dance,
> gathering pace with each orbit, hurtling closer and closer.
> By the time they were a few hundred miles apart, they were whipping around
> at nearly the speed of light, releasing great shudders of gravitational
> energy.
> Space and time became distorted, like water at a rolling boil.
> In the fraction of a second that it took for the black holes to finally
> merge, they radiated a hundred times more energy than all the stars in the
> universe combined. They formed a new black hole, sixty-two times as heavy
> as our sun and almost as wide across as the state of Maine.
> As it smoothed itself out, assuming the shape of a slightly flattened
> sphere, a few last quivers of energy escaped.
> Then space and time became silent again."
>
> [ Another source says they reached a top speed of half the speed of light
> as they merged... ]
>
> "On  Sunday, September 13th, Effler spent the day at the Livingston site
> with a colleague, finishing a battery of last-minute tests.
> “We yelled, we vibrated things with shakers, we tapped on things, we
> introduced magnetic radiation, we did all kinds of things,” she said. “And,
> of course, everything was taking longer than it was supposed to.”
> At four in the morning, with one test still left to do — a simulation of a
> truck driver hitting his brakes nearby — they decided to pack it in.
> They drove home, leaving the instrument to gather data in peace.
> The signal arrived not long after, at 4:50 A.M. local time, passing
> through the two detectors within seven milliseconds of each other.
> [ In Louisiana and in Oregon, 1,865 miles apart ]
> It was four days before the start of Advanced LIGO’s first official run."
>
> "Since the September 14th detection, LIGO has continued to observe
> candidate signals, although none are quite as dramatic as the first event.
> “The reason we are making all this fuss is because of the big guy,” Weiss
> said. “But we’re very happy that there are other, smaller ones, because it
> says this is not some unique, crazy, cuckoo effect.”
>
>
> https://en.wikipedia.org/wiki/LIGO
>
>
> "These sites are separated by 3,002 kilometers (1,865 miles).
> Since gravitational waves are expected to travel at the speed of light,
> this distance corresponds to a difference in gravitational wave arrival
> times of up to ten milliseconds."
>
> "After an equivalent of approximately 75 trips down the 4 km length to the
> far mirrors and back again, the two separate beams leave the arms and
> recombine at the beam splitter."
>
> "Based on current models of astronomical events, and the predictions of
> the general theory of relativity, gravitational waves that originate tens
> of millions of light years from Earth are expected to distort the 4
> kilometer mirror spacing by about 10E−18 m, less than one-thousandth the
> charge diameter of a proton. Equivalently, this is a relative change in
> distance of approximately one part in 10E 21.
> A typical event which might cause a detection event would be the late
> stage inspiral and merger of two 10 solar mass black holes, not necessarily
> located in the Milky Way galaxy, which is expected to result in a very
> specific sequence of signals often summarized by the slogan chirp, burst,
> quasi-normal mode ringing, exponential decay."
>
>
>
> http://www.nature.com/news/einstein-s-gravitational-waves-found-at-last-1.19361
>
> "One black hole was about 36 times the mass of the Sun, and the other was
> about 29 solar masses.
> As they spiraled inexorably into one another, they merged into a single,
> more-massive gravitational sink in space-time that weighed 62 solar masses,
> the LIGO team estimates."
> [ So, 3 solar masses was radiated away as invisible gravitational energy
> -- about 5 % conversion of mass into pure energy... ]
>
>
>
>

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