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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" 1639 laughin 11-Feb-16 16:34
Re: gravity waves "detected" 614 Susan Doris 11-Feb-16 17:44
Re: gravity waves "detected" 502 Sirius7237 11-Feb-16 18:30
Re: gravity waves "detected" 603 laughin 11-Feb-16 21:20
Re: gravity waves "detected" 527 JonnyMcA 12-Feb-16 14:23
Re: gravity waves "detected" 560 laughin 12-Feb-16 15:51
Re: gravity waves "detected" 408 JonnyMcA 12-Feb-16 16:31
Re: gravity waves "detected" 514 laughin 13-Feb-16 18:26
Re: gravity waves "detected" 558 JonnyMcA 13-Feb-16 18:41
Re: gravity waves "detected" 639 Me 15-Feb-16 15:57
Re: gravity waves "detected" 474 laughin 15-Feb-16 20:17
Re: gravity waves "detected" 519 carolb 13-Feb-16 21:53
Re: gravity waves "detected" 411 D-Archer 14-Feb-16 11:16
Re: gravity waves "detected" 431 carolb 14-Feb-16 14:54
Re: gravity waves "detected" 422 Sirius7237 14-Feb-16 20:08
Re: gravity waves "detected" 524 carolb 14-Feb-16 22:31
Re: gravity waves "detected" 544 Aine 15-Feb-16 16:20
Re: gravity waves "detected" 463 D-Archer 15-Feb-16 09:59
Re: gravity waves "detected" 448 JonnyMcA 12-Feb-16 14:31
Re: gravity waves "detected" 476 carolb 13-Feb-16 21:29
Re: gravity waves "detected" 393 laughin 14-Feb-16 15:19
Re: gravity waves "detected" 338 skakos 15-Feb-16 14:07
Re: gravity waves "detected" 426 Pete Vanderzwet 11-Feb-16 21:06
Re: gravity waves "detected" 547 JonnyMcA 12-Feb-16 14:38
Onto Dark Energy waves! 485 Eddie Larry 11-Feb-16 21:34
It took 100 years to discover what Einstein already knew 337 David L 12-Feb-16 12:50
Re: It took 100 years to discover what Einstein already knew 429 Spiros 12-Feb-16 17:09
Re: It took 100 years to discover what Einstein already knew 492 D-Archer 15-Feb-16 12:47
Re: It took 100 years to discover what Einstein already knew 503 Aine 15-Feb-16 16:15
Re: It took 100 years to discover what Einstein already knew 454 D-Archer 15-Feb-16 18:53
Re: It took 100 years to discover what Einstein already knew 477 laughin 15-Feb-16 20:39
Re: It took 100 years to discover what Einstein already knew 414 Aine 16-Feb-16 01:48
Re: gravity waves "detected" 538 dong 12-Feb-16 18:36
Re: gravity waves "detected" 534 laughin 13-Feb-16 03:26
Re: gravity waves "detected" 460 dong 16-Feb-16 07:41
Liego 450 laughin 15-Feb-16 04:17
Gravity Waves of Propaganda the Sequel 446 D-Archer 15-Feb-16 09:48
Re: gravity waves "detected" 538 skakos 15-Feb-16 12:58
Re: gravity waves "detected" 494 Aine 15-Feb-16 22:31
Re: gravity waves "detected" 364 carolb 16-Feb-16 00:57
Re: gravity waves "detected" 438 D-Archer 16-Feb-16 11:47
Re: gravity waves "detected" 587 carolb 16-Feb-16 12:32
Re: gravity waves "detected" 393 D-Archer 16-Feb-16 14:13
Re: gravity waves "detected" 406 carolb 16-Feb-16 14:42
Re: gravity waves "detected" 377 D-Archer 16-Feb-16 15:17
Re: gravity waves "detected" 516 carolb 16-Feb-16 16:27
Re: gravity waves "detected" 521 D-Archer 17-Feb-16 14:08
Really? 411 Sirfiroth 17-Feb-16 15:11
Re: Really? 522 JonnyMcA 17-Feb-16 15:32
Re: Really? 513 D-Archer 17-Feb-16 15:42
Re: gravity waves "detected" 509 carolb 17-Feb-16 18:05
mods! 463 D-Archer 18-Feb-16 11:13
Re: mods! 545 carolb 18-Feb-16 14:14
Re: mods! 550 D-Archer 18-Feb-16 16:02
Re: gravity waves "detected" 631 Sirfiroth 17-Feb-16 01:06
Re: gravity waves "detected" 443 Aine 17-Feb-16 14:48
Re: gravity waves "detected" 496 JonnyMcA 17-Feb-16 15:19
Re: gravity waves "detected" 375 Sirfiroth 17-Feb-16 15:39
Re: gravity waves "detected" 467 JonnyMcA 17-Feb-16 17:37
Re: gravity waves "detected" 541 Aine 17-Feb-16 18:49
Re: gravity waves "detected" 484 laughin 16-Feb-16 20:24
Re: gravity waves "detected" 330 D-Archer 17-Feb-16 16:23
Gravy Waves 652 D-Archer 20-Feb-16 11:39
Playing devil’s advocate on the discovery of gravitational waves 596 laughin 02-Mar-16 18:23
Scientists: we're 100% convinced 425 laughin 07-Mar-16 17:13
Black holes and big bangs can't co-exist 514 laughin 13-Mar-16 04:52
Re: gravity waves "detected" 456 Observer 20-Apr-16 23:42
Re: gravity waves "detected" 461 laughin 21-Apr-16 14:02
Re: gravity waves "detected" 378 OCaptain 10-May-16 12:45
Re: gravity waves "detected" 374 laughin 10-May-16 13:16
Re: gravity waves "detected" 394 OCaptain 10-May-16 13:21
Re: gravity waves "detected" 446 laughin 10-May-16 19:25
Re: gravity waves "detected" 560 OCaptain 10-May-16 22:56
Re: gravity waves "detected" 464 laughin 11-May-16 15:32
Re: gravity waves "detected" 576 JonnyMcA 11-May-16 16:53
Re: gravity waves "detected" 558 laughin 12-May-16 16:26
pompousness "detected" 495 laughin 18-May-16 15:25
bump- 2 weeks 595 laughin 27-May-16 15:02
Re: bump- 3 weeks 538 laughin 02-Jun-16 23:20
Re: bump- 4 weeks and why isn't Carolb patrolling the threads 521 laughin 10-Jun-16 15:42
Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 498 laughin 04-May-16 13:15
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 512 D-Archer 09-May-16 19:05
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 341 OCaptain 10-May-16 12:46
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 545 laughin 10-May-16 13:27
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 386 OCaptain 10-May-16 16:39
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 442 laughin 10-May-16 19:10
how many times can you change the rules and still get a black hole 432 laughin 08-Jun-16 14:00
LIGO press conf, June 15 470 Observer 15-Jun-16 11:53
Re: LIGO press conf, June 15 455 D-Archer 15-Jun-16 14:48


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