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laughin Wrote:
-------------------------------------------------------
> hi dong,
>
> according to scientists the only thing the
> experiment can detect is two black holes merging.
> so since it detected something, what else could it
> be but two black holes merging?
>
> [www.thedailystar.net]-
> gravitational-force-510103
> 7 facts about gravitational force
>
>
Quote

1. Gravitational waves were first predicted
> by Albert Einstein 100 years ago. It's taken that
> long for our technology to catch up to his
> brilliance and confirm the theory.
>
> 2. Scientists suspect that two merging black holes
> emit more energy in the form of gravitational
> waves in the last few minutes before they collide
> than a single star emits over billions of years.
>
> 3. Gravitational waves contract and expand the
> fabric of space-time, but only by a very small
> amount. The LIGO instruments (one shown below) are
> designed to detect a distortion that is 1 million
> times smaller than the width of a hydrogen atom.
>
> 4. Gravitational waves allow us to detect — for
> the first time — when two black holes are about
> to collide. The signal that LIGO scientists
> discovered from such a collision, released 50
> times more energy in the form of gravitational
> waves than all of the power put out by all of the
> stars in the universe put together!

>
> 5. But it's not just black holes that emit
> gravitational waves — it's any two bodies in
> orbit. That means the Sun and Earth emit
> gravitational waves too. But those waves carry 100
> billion times less energy than two merging black
> holes, making it impossible to detect with current
> technology.
>
> 6.Scientists also estimate that two black holes
> merge somewhere in the universe once every 15
> minutes
. That's a lot of gravitational waves
> that we can now detect!
>
> 7. Before the first detection of gravitational
> waves, we had no way of knowing if black holes
> could merge. So this discovery doesn't just
> confirm Einstein's prediction. It also reveals a
> brand new behavior in the cosmos that we never
> knew existed before.
>
>
> and if you buy this, I have something else for
> you
> [www.shutterstock.com]
> ch.html

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Subject Views Written By Posted
gravity waves "detected" 1433 laughin 11-Feb-16 16:34
Re: gravity waves "detected" 473 Susan Doris 11-Feb-16 17:44
Re: gravity waves "detected" 372 Sirius7237 11-Feb-16 18:30
Re: gravity waves "detected" 452 laughin 11-Feb-16 21:20
Re: gravity waves "detected" 370 JonnyMcA 12-Feb-16 14:23
Re: gravity waves "detected" 412 laughin 12-Feb-16 15:51
Re: gravity waves "detected" 262 JonnyMcA 12-Feb-16 16:31
Re: gravity waves "detected" 369 laughin 13-Feb-16 18:26
Re: gravity waves "detected" 423 JonnyMcA 13-Feb-16 18:41
Re: gravity waves "detected" 452 Me 15-Feb-16 15:57
Re: gravity waves "detected" 345 laughin 15-Feb-16 20:17
Re: gravity waves "detected" 383 carolb 13-Feb-16 21:53
Re: gravity waves "detected" 285 D-Archer 14-Feb-16 11:16
Re: gravity waves "detected" 311 carolb 14-Feb-16 14:54
Re: gravity waves "detected" 294 Sirius7237 14-Feb-16 20:08
Re: gravity waves "detected" 402 carolb 14-Feb-16 22:31
Re: gravity waves "detected" 404 Aine 15-Feb-16 16:20
Re: gravity waves "detected" 326 D-Archer 15-Feb-16 09:59
Re: gravity waves "detected" 312 JonnyMcA 12-Feb-16 14:31
Re: gravity waves "detected" 350 carolb 13-Feb-16 21:29
Re: gravity waves "detected" 278 laughin 14-Feb-16 15:19
Re: gravity waves "detected" 205 skakos 15-Feb-16 14:07
Re: gravity waves "detected" 301 Pete Vanderzwet 11-Feb-16 21:06
Re: gravity waves "detected" 414 JonnyMcA 12-Feb-16 14:38
Onto Dark Energy waves! 352 Eddie Larry 11-Feb-16 21:34
It took 100 years to discover what Einstein already knew 219 David L 12-Feb-16 12:50
Re: It took 100 years to discover what Einstein already knew 297 Spiros 12-Feb-16 17:09
Re: It took 100 years to discover what Einstein already knew 362 D-Archer 15-Feb-16 12:47
Re: It took 100 years to discover what Einstein already knew 374 Aine 15-Feb-16 16:15
Re: It took 100 years to discover what Einstein already knew 326 D-Archer 15-Feb-16 18:53
Re: It took 100 years to discover what Einstein already knew 348 laughin 15-Feb-16 20:39
Re: It took 100 years to discover what Einstein already knew 288 Aine 16-Feb-16 01:48
Re: gravity waves "detected" 404 dong 12-Feb-16 18:36
Re: gravity waves "detected" 385 laughin 13-Feb-16 03:26
Re: gravity waves "detected" 323 dong 16-Feb-16 07:41
Liego 331 laughin 15-Feb-16 04:17
Gravity Waves of Propaganda the Sequel 307 D-Archer 15-Feb-16 09:48
Re: gravity waves "detected" 409 skakos 15-Feb-16 12:58
Re: gravity waves "detected" 364 Aine 15-Feb-16 22:31
Re: gravity waves "detected" 225 carolb 16-Feb-16 00:57
Re: gravity waves "detected" 310 D-Archer 16-Feb-16 11:47
Re: gravity waves "detected" 407 carolb 16-Feb-16 12:32
Re: gravity waves "detected" 272 D-Archer 16-Feb-16 14:13
Re: gravity waves "detected" 277 carolb 16-Feb-16 14:42
Re: gravity waves "detected" 260 D-Archer 16-Feb-16 15:17
Re: gravity waves "detected" 348 carolb 16-Feb-16 16:27
Re: gravity waves "detected" 384 D-Archer 17-Feb-16 14:08
Really? 262 Sirfiroth 17-Feb-16 15:11
Re: Really? 381 JonnyMcA 17-Feb-16 15:32
Re: Really? 362 D-Archer 17-Feb-16 15:42
Re: gravity waves "detected" 393 carolb 17-Feb-16 18:05
mods! 324 D-Archer 18-Feb-16 11:13
Re: mods! 413 carolb 18-Feb-16 14:14
Re: mods! 388 D-Archer 18-Feb-16 16:02
Re: gravity waves "detected" 506 Sirfiroth 17-Feb-16 01:06
Re: gravity waves "detected" 327 Aine 17-Feb-16 14:48
Re: gravity waves "detected" 363 JonnyMcA 17-Feb-16 15:19
Re: gravity waves "detected" 253 Sirfiroth 17-Feb-16 15:39
Re: gravity waves "detected" 307 JonnyMcA 17-Feb-16 17:37
Re: gravity waves "detected" 402 Aine 17-Feb-16 18:49
Re: gravity waves "detected" 355 laughin 16-Feb-16 20:24
Re: gravity waves "detected" 203 D-Archer 17-Feb-16 16:23
Gravy Waves 499 D-Archer 20-Feb-16 11:39
Playing devil’s advocate on the discovery of gravitational waves 447 laughin 02-Mar-16 18:23
Scientists: we're 100% convinced 289 laughin 07-Mar-16 17:13
Black holes and big bangs can't co-exist 387 laughin 13-Mar-16 04:52
Re: gravity waves "detected" 315 brett z 20-Apr-16 23:42
Re: gravity waves "detected" 331 laughin 21-Apr-16 14:02
Re: gravity waves "detected" 246 OCaptain 10-May-16 12:45
Re: gravity waves "detected" 186 laughin 10-May-16 13:16
Re: gravity waves "detected" 261 OCaptain 10-May-16 13:21
Re: gravity waves "detected" 303 laughin 10-May-16 19:25
Re: gravity waves "detected" 437 OCaptain 10-May-16 22:56
Re: gravity waves "detected" 315 laughin 11-May-16 15:32
Re: gravity waves "detected" 392 JonnyMcA 11-May-16 16:53
Re: gravity waves "detected" 420 laughin 12-May-16 16:26
pompousness "detected" 356 laughin 18-May-16 15:25
bump- 2 weeks 457 laughin 27-May-16 15:02
Re: bump- 3 weeks 393 laughin 02-Jun-16 23:20
Re: bump- 4 weeks and why isn't Carolb patrolling the threads 404 laughin 10-Jun-16 15:42
Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 367 laughin 04-May-16 13:15
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 403 D-Archer 09-May-16 19:05
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 193 OCaptain 10-May-16 12:46
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 421 laughin 10-May-16 13:27
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 253 OCaptain 10-May-16 16:39
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 323 laughin 10-May-16 19:10
how many times can you change the rules and still get a black hole 305 laughin 08-Jun-16 14:00
LIGO press conf, June 15 331 brett z 15-Jun-16 11:53
Re: LIGO press conf, June 15 334 D-Archer 15-Jun-16 14:48


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