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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
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Subject Views Written By Posted
gravity waves "detected" 1581 laughin 11-Feb-16 16:34
Re: gravity waves "detected" 580 Susan Doris 11-Feb-16 17:44
Re: gravity waves "detected" 470 Sirius7237 11-Feb-16 18:30
Re: gravity waves "detected" 572 laughin 11-Feb-16 21:20
Re: gravity waves "detected" 492 JonnyMcA 12-Feb-16 14:23
Re: gravity waves "detected" 528 laughin 12-Feb-16 15:51
Re: gravity waves "detected" 373 JonnyMcA 12-Feb-16 16:31
Re: gravity waves "detected" 482 laughin 13-Feb-16 18:26
Re: gravity waves "detected" 527 JonnyMcA 13-Feb-16 18:41
Re: gravity waves "detected" 596 Me 15-Feb-16 15:57
Re: gravity waves "detected" 444 laughin 15-Feb-16 20:17
Re: gravity waves "detected" 484 carolb 13-Feb-16 21:53
Re: gravity waves "detected" 379 D-Archer 14-Feb-16 11:16
Re: gravity waves "detected" 395 carolb 14-Feb-16 14:54
Re: gravity waves "detected" 393 Sirius7237 14-Feb-16 20:08
Re: gravity waves "detected" 490 carolb 14-Feb-16 22:31
Re: gravity waves "detected" 511 Aine 15-Feb-16 16:20
Re: gravity waves "detected" 428 D-Archer 15-Feb-16 09:59
Re: gravity waves "detected" 408 JonnyMcA 12-Feb-16 14:31
Re: gravity waves "detected" 444 carolb 13-Feb-16 21:29
Re: gravity waves "detected" 360 laughin 14-Feb-16 15:19
Re: gravity waves "detected" 303 skakos 15-Feb-16 14:07
Re: gravity waves "detected" 393 Pete Vanderzwet 11-Feb-16 21:06
Re: gravity waves "detected" 513 JonnyMcA 12-Feb-16 14:38
Onto Dark Energy waves! 453 Eddie Larry 11-Feb-16 21:34
It took 100 years to discover what Einstein already knew 310 David L 12-Feb-16 12:50
Re: It took 100 years to discover what Einstein already knew 400 Spiros 12-Feb-16 17:09
Re: It took 100 years to discover what Einstein already knew 463 D-Archer 15-Feb-16 12:47
Re: It took 100 years to discover what Einstein already knew 472 Aine 15-Feb-16 16:15
Re: It took 100 years to discover what Einstein already knew 425 D-Archer 15-Feb-16 18:53
Re: It took 100 years to discover what Einstein already knew 443 laughin 15-Feb-16 20:39
Re: It took 100 years to discover what Einstein already knew 385 Aine 16-Feb-16 01:48
Re: gravity waves "detected" 509 dong 12-Feb-16 18:36
Re: gravity waves "detected" 502 laughin 13-Feb-16 03:26
Re: gravity waves "detected" 428 dong 16-Feb-16 07:41
Liego 421 laughin 15-Feb-16 04:17
Gravity Waves of Propaganda the Sequel 412 D-Archer 15-Feb-16 09:48
Re: gravity waves "detected" 498 skakos 15-Feb-16 12:58
Re: gravity waves "detected" 462 Aine 15-Feb-16 22:31
Re: gravity waves "detected" 328 carolb 16-Feb-16 00:57
Re: gravity waves "detected" 407 D-Archer 16-Feb-16 11:47
Re: gravity waves "detected" 548 carolb 16-Feb-16 12:32
Re: gravity waves "detected" 361 D-Archer 16-Feb-16 14:13
Re: gravity waves "detected" 377 carolb 16-Feb-16 14:42
Re: gravity waves "detected" 348 D-Archer 16-Feb-16 15:17
Re: gravity waves "detected" 481 carolb 16-Feb-16 16:27
Re: gravity waves "detected" 493 D-Archer 17-Feb-16 14:08
Really? 379 Sirfiroth 17-Feb-16 15:11
Re: Really? 487 JonnyMcA 17-Feb-16 15:32
Re: Really? 477 D-Archer 17-Feb-16 15:42
Re: gravity waves "detected" 478 carolb 17-Feb-16 18:05
mods! 430 D-Archer 18-Feb-16 11:13
Re: mods! 517 carolb 18-Feb-16 14:14
Re: mods! 513 D-Archer 18-Feb-16 16:02
Re: gravity waves "detected" 593 Sirfiroth 17-Feb-16 01:06
Re: gravity waves "detected" 413 Aine 17-Feb-16 14:48
Re: gravity waves "detected" 457 JonnyMcA 17-Feb-16 15:19
Re: gravity waves "detected" 341 Sirfiroth 17-Feb-16 15:39
Re: gravity waves "detected" 428 JonnyMcA 17-Feb-16 17:37
Re: gravity waves "detected" 508 Aine 17-Feb-16 18:49
Re: gravity waves "detected" 451 laughin 16-Feb-16 20:24
Re: gravity waves "detected" 299 D-Archer 17-Feb-16 16:23
Gravy Waves 619 D-Archer 20-Feb-16 11:39
Playing devil’s advocate on the discovery of gravitational waves 562 laughin 02-Mar-16 18:23
Scientists: we're 100% convinced 387 laughin 07-Mar-16 17:13
Black holes and big bangs can't co-exist 485 laughin 13-Mar-16 04:52
Re: gravity waves "detected" 423 brett z 20-Apr-16 23:42
Re: gravity waves "detected" 430 laughin 21-Apr-16 14:02
Re: gravity waves "detected" 349 OCaptain 10-May-16 12:45
Re: gravity waves "detected" 336 laughin 10-May-16 13:16
Re: gravity waves "detected" 364 OCaptain 10-May-16 13:21
Re: gravity waves "detected" 411 laughin 10-May-16 19:25
Re: gravity waves "detected" 526 OCaptain 10-May-16 22:56
Re: gravity waves "detected" 427 laughin 11-May-16 15:32
Re: gravity waves "detected" 529 JonnyMcA 11-May-16 16:53
Re: gravity waves "detected" 529 laughin 12-May-16 16:26
pompousness "detected" 463 laughin 18-May-16 15:25
bump- 2 weeks 565 laughin 27-May-16 15:02
Re: bump- 3 weeks 505 laughin 02-Jun-16 23:20
Re: bump- 4 weeks and why isn't Carolb patrolling the threads 493 laughin 10-Jun-16 15:42
Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 471 laughin 04-May-16 13:15
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 483 D-Archer 09-May-16 19:05
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 304 OCaptain 10-May-16 12:46
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 512 laughin 10-May-16 13:27
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 351 OCaptain 10-May-16 16:39
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 411 laughin 10-May-16 19:10
how many times can you change the rules and still get a black hole 400 laughin 08-Jun-16 14:00
LIGO press conf, June 15 439 brett z 15-Jun-16 11:53
Re: LIGO press conf, June 15 424 D-Archer 15-Jun-16 14:48


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