Could be interesting.
http://www.dailymail.co.uk/sciencet...s-100-year-old-theory-ripples-space-time.html
http://www.dailymail.co.uk/sciencet...s-100-year-old-theory-ripples-space-time.html
Astronomy / Space Announcement on Gravitational Waves.
- Thread starter Sir.Tj
- Start date
I wonder, is it yet possible .. to wave back?
(arf)
Einstein was right again then! Should be and interesting few years as this technique gets refined; can use different GW frequencies to observe different sized objects ~ ?
(arf)
Einstein was right again then! Should be and interesting few years as this technique gets refined; can use different GW frequencies to observe different sized objects ~ ?
+1 for Albert Einstein in 1916, the year when he postulated the existence of the gravitational waves
I love this bit :
It's pretty cool this kinda stuff is happening. Einstein is the man.
Pic on the BBC news site at the minute looks familiar almost...
Pic on the BBC news site at the minute looks familiar almost...
More than just interesting! This is validation of Relativity, could allow us to see back to the big bang, develop a unified theory of everything and... Stuff!
This is going to be a late night catching up on all the press release's, guess my trip back to the bubble has to wait a bit longer.
http://www.bbc.co.uk/news/science-environment-35524440
This is going to be a late night catching up on all the press release's, guess my trip back to the bubble has to wait a bit longer.
http://www.bbc.co.uk/news/science-environment-35524440
I've been following this news for the last few weeks (because it was quite clear what they were going to announce today) but I keep wondering:
This is being hailed as 'the discovery of the century'. Now I don't really get that. Okay, it's a real, measurable proof of what Einstein already predicted. But there were already heaps of circumstantial evidence that he was right in that department, weren't there? This is just the actual proof.
I might be wrong, but to me, the discovery of the Higgs boson and all that that entails - namely a huge step forward in finally explaining gravity- is a way bigger deal.
Now I'm just an interested amateur, but I'm really wondering about this. I"d be grateful for a scientist to enlighten me in this department
This is being hailed as 'the discovery of the century'. Now I don't really get that. Okay, it's a real, measurable proof of what Einstein already predicted. But there were already heaps of circumstantial evidence that he was right in that department, weren't there? This is just the actual proof.
I might be wrong, but to me, the discovery of the Higgs boson and all that that entails - namely a huge step forward in finally explaining gravity- is a way bigger deal.
Now I'm just an interested amateur, but I'm really wondering about this. I"d be grateful for a scientist to enlighten me in this department
Think of gravitation wave detection as a new kind of telescope that will add to our perception and understanding of our universe, and its importance should hopefully be fairly clear.
Merging black holes were detected here by no other means than through the use of this technology and without it we wouldn't have known of their existence in the first place. This is an extremely rare event, generally speaking, so it's very cool that we were able to witness it in some capacity.
"Proving Einstein right yet again," while important in its own right, is perhaps more important for the media in some respects.
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Wonder if we have that in ED, need get out surfboard and ride thoes gravitational Waves , Wonder where i end up
Awsome prediction tho high five to Albert.
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If anyone is interested, here's the real "picture," as it were.
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.061102
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I hope Frontier updates the map of the galaxy with this kind of events so we can find binary black holes.
It would be nice to have more data to find this particular black hole. It should be there.
"The waves were produced from the collision of two black holes of 36 and 29 solar masses, respectively, which merged to form a spinning, 62-solar-mass black hole, some 1.3 billion light-years (410 mpc) away in an event dubbed GW150914"
"As the final black hole was 62 solar masses, this means that 3 solar masses' worth of gravitational radiation was emitted during the event. The signal also revealed that the new-born black hole is a rotating Kerr black hole (with a spin parameter of 0.67)."
It would be nice to have more data to find this particular black hole. It should be there.
"The waves were produced from the collision of two black holes of 36 and 29 solar masses, respectively, which merged to form a spinning, 62-solar-mass black hole, some 1.3 billion light-years (410 mpc) away in an event dubbed GW150914"
"As the final black hole was 62 solar masses, this means that 3 solar masses' worth of gravitational radiation was emitted during the event. The signal also revealed that the new-born black hole is a rotating Kerr black hole (with a spin parameter of 0.67)."
As I understand it, this black hole merger event was detected from over a billion light years away, well outside of our galaxy. This helps to illustrate how relatively rare these events are.
We're not likely to detect them from our own galaxy, as it is likely they won't happen within our window of observation, though it is possible.
Oh now I get it, they used a frequency-domain singular value decomposition-based surrogate reduced order model. Makes so much sense now. How many how can you not understand this. A natural way to interpolate the projection coefficients over the parameter space is to use a tensor product expansion. The tensor product interpolant of a scalar function on the Cartesian product of intervals is given simply in terms of the product of one-dimensional basis functions. The points are taken from a rectangular parameter space grid and are the discrete expansion coefficients of f in terms of the tensor product basis . We consider either cubic B-splines or Chebyshev polynomials as basis functions . Tensor product interpolants of vector valued functions are simply defined by component and generalizations to higher dimensions are straightforward. Seeing really is believing. Although I'm still a little confused by "post-Newtonian" models too.
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I'm not entirely sure what it was that you didn't get in the first place, honestly. Either way, I'm glad you've apparently got it sorted now...
Cheers.
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Cheers mate. Can you imagine, something so infinitely massive, 50 times bigger than the 'visible' universe. And it happened like x.x Billion Years ago. If we had not had this detector setup on time, we could have missed it by .00000000001 years. The super LIGO is supposed to be fully funded/operational by 2018 I think, and they say they'll be able to detect these waves all the time then. Something like 10x10 better resolution I guess.