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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]
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]

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Subject Views Written By Posted
gravity waves "detected" 1527 laughin 11-Feb-16 16:34
Re: gravity waves "detected" 544 Susan Doris 11-Feb-16 17:44
Re: gravity waves "detected" 435 Sirius7237 11-Feb-16 18:30
Re: gravity waves "detected" 538 laughin 11-Feb-16 21:20
Re: gravity waves "detected" 454 JonnyMcA 12-Feb-16 14:23
Re: gravity waves "detected" 495 laughin 12-Feb-16 15:51
Re: gravity waves "detected" 340 JonnyMcA 12-Feb-16 16:31
Re: gravity waves "detected" 445 laughin 13-Feb-16 18:26
Re: gravity waves "detected" 493 JonnyMcA 13-Feb-16 18:41
Re: gravity waves "detected" 553 Me 15-Feb-16 15:57
Re: gravity waves "detected" 410 laughin 15-Feb-16 20:17
Re: gravity waves "detected" 446 carolb 13-Feb-16 21:53
Re: gravity waves "detected" 342 D-Archer 14-Feb-16 11:16
Re: gravity waves "detected" 358 carolb 14-Feb-16 14:54
Re: gravity waves "detected" 356 Sirius7237 14-Feb-16 20:08
Re: gravity waves "detected" 459 carolb 14-Feb-16 22:31
Re: gravity waves "detected" 471 Aine 15-Feb-16 16:20
Re: gravity waves "detected" 396 D-Archer 15-Feb-16 09:59
Re: gravity waves "detected" 373 JonnyMcA 12-Feb-16 14:31
Re: gravity waves "detected" 412 carolb 13-Feb-16 21:29
Re: gravity waves "detected" 326 laughin 14-Feb-16 15:19
Re: gravity waves "detected" 262 skakos 15-Feb-16 14:07
Re: gravity waves "detected" 358 Pete Vanderzwet 11-Feb-16 21:06
Re: gravity waves "detected" 478 JonnyMcA 12-Feb-16 14:38
Onto Dark Energy waves! 420 Eddie Larry 11-Feb-16 21:34
It took 100 years to discover what Einstein already knew 277 David L 12-Feb-16 12:50
Re: It took 100 years to discover what Einstein already knew 366 Spiros 12-Feb-16 17:09
Re: It took 100 years to discover what Einstein already knew 429 D-Archer 15-Feb-16 12:47
Re: It took 100 years to discover what Einstein already knew 437 Aine 15-Feb-16 16:15
Re: It took 100 years to discover what Einstein already knew 390 D-Archer 15-Feb-16 18:53
Re: It took 100 years to discover what Einstein already knew 409 laughin 15-Feb-16 20:39
Re: It took 100 years to discover what Einstein already knew 346 Aine 16-Feb-16 01:48
Re: gravity waves "detected" 478 dong 12-Feb-16 18:36
Re: gravity waves "detected" 470 laughin 13-Feb-16 03:26
Re: gravity waves "detected" 391 dong 16-Feb-16 07:41
Liego 389 laughin 15-Feb-16 04:17
Gravity Waves of Propaganda the Sequel 375 D-Archer 15-Feb-16 09:48
Re: gravity waves "detected" 461 skakos 15-Feb-16 12:58
Re: gravity waves "detected" 429 Aine 15-Feb-16 22:31
Re: gravity waves "detected" 296 carolb 16-Feb-16 00:57
Re: gravity waves "detected" 372 D-Archer 16-Feb-16 11:47
Re: gravity waves "detected" 511 carolb 16-Feb-16 12:32
Re: gravity waves "detected" 329 D-Archer 16-Feb-16 14:13
Re: gravity waves "detected" 346 carolb 16-Feb-16 14:42
Re: gravity waves "detected" 321 D-Archer 16-Feb-16 15:17
Re: gravity waves "detected" 446 carolb 16-Feb-16 16:27
Re: gravity waves "detected" 455 D-Archer 17-Feb-16 14:08
Really? 347 Sirfiroth 17-Feb-16 15:11
Re: Really? 452 JonnyMcA 17-Feb-16 15:32
Re: Really? 440 D-Archer 17-Feb-16 15:42
Re: gravity waves "detected" 447 carolb 17-Feb-16 18:05
mods! 398 D-Archer 18-Feb-16 11:13
Re: mods! 481 carolb 18-Feb-16 14:14
Re: mods! 478 D-Archer 18-Feb-16 16:02
Re: gravity waves "detected" 557 Sirfiroth 17-Feb-16 01:06
Re: gravity waves "detected" 380 Aine 17-Feb-16 14:48
Re: gravity waves "detected" 421 JonnyMcA 17-Feb-16 15:19
Re: gravity waves "detected" 309 Sirfiroth 17-Feb-16 15:39
Re: gravity waves "detected" 387 JonnyMcA 17-Feb-16 17:37
Re: gravity waves "detected" 476 Aine 17-Feb-16 18:49
Re: gravity waves "detected" 419 laughin 16-Feb-16 20:24
Re: gravity waves "detected" 267 D-Archer 17-Feb-16 16:23
Gravy Waves 580 D-Archer 20-Feb-16 11:39
Playing devil’s advocate on the discovery of gravitational waves 524 laughin 02-Mar-16 18:23
Scientists: we're 100% convinced 351 laughin 07-Mar-16 17:13
Black holes and big bangs can't co-exist 451 laughin 13-Mar-16 04:52
Re: gravity waves "detected" 389 brett z 20-Apr-16 23:42
Re: gravity waves "detected" 398 laughin 21-Apr-16 14:02
Re: gravity waves "detected" 309 OCaptain 10-May-16 12:45
Re: gravity waves "detected" 259 laughin 10-May-16 13:16
Re: gravity waves "detected" 331 OCaptain 10-May-16 13:21
Re: gravity waves "detected" 377 laughin 10-May-16 19:25
Re: gravity waves "detected" 492 OCaptain 10-May-16 22:56
Re: gravity waves "detected" 393 laughin 11-May-16 15:32
Re: gravity waves "detected" 488 JonnyMcA 11-May-16 16:53
Re: gravity waves "detected" 491 laughin 12-May-16 16:26
pompousness "detected" 423 laughin 18-May-16 15:25
bump- 2 weeks 530 laughin 27-May-16 15:02
Re: bump- 3 weeks 463 laughin 02-Jun-16 23:20
Re: bump- 4 weeks and why isn't Carolb patrolling the threads 462 laughin 10-Jun-16 15:42
Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 444 laughin 04-May-16 13:15
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 453 D-Archer 09-May-16 19:05
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 268 OCaptain 10-May-16 12:46
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 479 laughin 10-May-16 13:27
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 322 OCaptain 10-May-16 16:39
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 379 laughin 10-May-16 19:10
how many times can you change the rules and still get a black hole 368 laughin 08-Jun-16 14:00
LIGO press conf, June 15 410 brett z 15-Jun-16 11:53
Re: LIGO press conf, June 15 396 D-Archer 15-Jun-16 14:48


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