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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" 1653 laughin 11-Feb-16 16:34
Re: gravity waves "detected" 647 Susan Doris 11-Feb-16 17:44
Re: gravity waves "detected" 515 Sirius7237 11-Feb-16 18:30
Re: gravity waves "detected" 617 laughin 11-Feb-16 21:20
Re: gravity waves "detected" 536 JonnyMcA 12-Feb-16 14:23
Re: gravity waves "detected" 570 laughin 12-Feb-16 15:51
Re: gravity waves "detected" 419 JonnyMcA 12-Feb-16 16:31
Re: gravity waves "detected" 525 laughin 13-Feb-16 18:26
Re: gravity waves "detected" 567 JonnyMcA 13-Feb-16 18:41
Re: gravity waves "detected" 654 Me 15-Feb-16 15:57
Re: gravity waves "detected" 489 laughin 15-Feb-16 20:17
Re: gravity waves "detected" 528 carolb 13-Feb-16 21:53
Re: gravity waves "detected" 422 D-Archer 14-Feb-16 11:16
Re: gravity waves "detected" 444 carolb 14-Feb-16 14:54
Re: gravity waves "detected" 429 Sirius7237 14-Feb-16 20:08
Re: gravity waves "detected" 532 carolb 14-Feb-16 22:31
Re: gravity waves "detected" 557 Aine 15-Feb-16 16:20
Re: gravity waves "detected" 475 D-Archer 15-Feb-16 09:59
Re: gravity waves "detected" 459 JonnyMcA 12-Feb-16 14:31
Re: gravity waves "detected" 489 carolb 13-Feb-16 21:29
Re: gravity waves "detected" 406 laughin 14-Feb-16 15:19
Re: gravity waves "detected" 347 skakos 15-Feb-16 14:07
Re: gravity waves "detected" 436 Pete Vanderzwet 11-Feb-16 21:06
Re: gravity waves "detected" 557 JonnyMcA 12-Feb-16 14:38
Onto Dark Energy waves! 495 Eddie Larry 11-Feb-16 21:34
It took 100 years to discover what Einstein already knew 346 David L 12-Feb-16 12:50
Re: It took 100 years to discover what Einstein already knew 443 Spiros 12-Feb-16 17:09
Re: It took 100 years to discover what Einstein already knew 504 D-Archer 15-Feb-16 12:47
Re: It took 100 years to discover what Einstein already knew 513 Aine 15-Feb-16 16:15
Re: It took 100 years to discover what Einstein already knew 470 D-Archer 15-Feb-16 18:53
Re: It took 100 years to discover what Einstein already knew 486 laughin 15-Feb-16 20:39
Re: It took 100 years to discover what Einstein already knew 425 Aine 16-Feb-16 01:48
Re: gravity waves "detected" 546 dong 12-Feb-16 18:36
Re: gravity waves "detected" 543 laughin 13-Feb-16 03:26
Re: gravity waves "detected" 473 dong 16-Feb-16 07:41
Liego 460 laughin 15-Feb-16 04:17
Gravity Waves of Propaganda the Sequel 457 D-Archer 15-Feb-16 09:48
Re: gravity waves "detected" 548 skakos 15-Feb-16 12:58
Re: gravity waves "detected" 502 Aine 15-Feb-16 22:31
Re: gravity waves "detected" 377 carolb 16-Feb-16 00:57
Re: gravity waves "detected" 447 D-Archer 16-Feb-16 11:47
Re: gravity waves "detected" 598 carolb 16-Feb-16 12:32
Re: gravity waves "detected" 404 D-Archer 16-Feb-16 14:13
Re: gravity waves "detected" 416 carolb 16-Feb-16 14:42
Re: gravity waves "detected" 389 D-Archer 16-Feb-16 15:17
Re: gravity waves "detected" 528 carolb 16-Feb-16 16:27
Re: gravity waves "detected" 533 D-Archer 17-Feb-16 14:08
Really? 427 Sirfiroth 17-Feb-16 15:11
Re: Really? 533 JonnyMcA 17-Feb-16 15:32
Re: Really? 533 D-Archer 17-Feb-16 15:42
Re: gravity waves "detected" 519 carolb 17-Feb-16 18:05
mods! 474 D-Archer 18-Feb-16 11:13
Re: mods! 557 carolb 18-Feb-16 14:14
Re: mods! 562 D-Archer 18-Feb-16 16:02
Re: gravity waves "detected" 645 Sirfiroth 17-Feb-16 01:06
Re: gravity waves "detected" 453 Aine 17-Feb-16 14:48
Re: gravity waves "detected" 511 JonnyMcA 17-Feb-16 15:19
Re: gravity waves "detected" 391 Sirfiroth 17-Feb-16 15:39
Re: gravity waves "detected" 476 JonnyMcA 17-Feb-16 17:37
Re: gravity waves "detected" 551 Aine 17-Feb-16 18:49
Re: gravity waves "detected" 501 laughin 16-Feb-16 20:24
Re: gravity waves "detected" 343 D-Archer 17-Feb-16 16:23
Gravy Waves 663 D-Archer 20-Feb-16 11:39
Playing devil’s advocate on the discovery of gravitational waves 604 laughin 02-Mar-16 18:23
Scientists: we're 100% convinced 435 laughin 07-Mar-16 17:13
Black holes and big bangs can't co-exist 525 laughin 13-Mar-16 04:52
Re: gravity waves "detected" 468 Observer 20-Apr-16 23:42
Re: gravity waves "detected" 470 laughin 21-Apr-16 14:02
Re: gravity waves "detected" 386 OCaptain 10-May-16 12:45
Re: gravity waves "detected" 383 laughin 10-May-16 13:16
Re: gravity waves "detected" 407 OCaptain 10-May-16 13:21
Re: gravity waves "detected" 456 laughin 10-May-16 19:25
Re: gravity waves "detected" 570 OCaptain 10-May-16 22:56
Re: gravity waves "detected" 476 laughin 11-May-16 15:32
Re: gravity waves "detected" 588 JonnyMcA 11-May-16 16:53
Re: gravity waves "detected" 569 laughin 12-May-16 16:26
pompousness "detected" 507 laughin 18-May-16 15:25
bump- 2 weeks 604 laughin 27-May-16 15:02
Re: bump- 3 weeks 550 laughin 02-Jun-16 23:20
Re: bump- 4 weeks and why isn't Carolb patrolling the threads 532 laughin 10-Jun-16 15:42
Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 508 laughin 04-May-16 13:15
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 523 D-Archer 09-May-16 19:05
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 347 OCaptain 10-May-16 12:46
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 557 laughin 10-May-16 13:27
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 396 OCaptain 10-May-16 16:39
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 456 laughin 10-May-16 19:10
how many times can you change the rules and still get a black hole 441 laughin 08-Jun-16 14:00
LIGO press conf, June 15 479 Observer 15-Jun-16 11:53
Re: LIGO press conf, June 15 462 D-Archer 15-Jun-16 14:48


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