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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" 1549 laughin 11-Feb-16 16:34
Re: gravity waves "detected" 560 Susan Doris 11-Feb-16 17:44
Re: gravity waves "detected" 450 Sirius7237 11-Feb-16 18:30
Re: gravity waves "detected" 552 laughin 11-Feb-16 21:20
Re: gravity waves "detected" 470 JonnyMcA 12-Feb-16 14:23
Re: gravity waves "detected" 508 laughin 12-Feb-16 15:51
Re: gravity waves "detected" 353 JonnyMcA 12-Feb-16 16:31
Re: gravity waves "detected" 457 laughin 13-Feb-16 18:26
Re: gravity waves "detected" 507 JonnyMcA 13-Feb-16 18:41
Re: gravity waves "detected" 570 Me 15-Feb-16 15:57
Re: gravity waves "detected" 422 laughin 15-Feb-16 20:17
Re: gravity waves "detected" 460 carolb 13-Feb-16 21:53
Re: gravity waves "detected" 358 D-Archer 14-Feb-16 11:16
Re: gravity waves "detected" 374 carolb 14-Feb-16 14:54
Re: gravity waves "detected" 370 Sirius7237 14-Feb-16 20:08
Re: gravity waves "detected" 474 carolb 14-Feb-16 22:31
Re: gravity waves "detected" 486 Aine 15-Feb-16 16:20
Re: gravity waves "detected" 409 D-Archer 15-Feb-16 09:59
Re: gravity waves "detected" 386 JonnyMcA 12-Feb-16 14:31
Re: gravity waves "detected" 427 carolb 13-Feb-16 21:29
Re: gravity waves "detected" 338 laughin 14-Feb-16 15:19
Re: gravity waves "detected" 280 skakos 15-Feb-16 14:07
Re: gravity waves "detected" 373 Pete Vanderzwet 11-Feb-16 21:06
Re: gravity waves "detected" 491 JonnyMcA 12-Feb-16 14:38
Onto Dark Energy waves! 433 Eddie Larry 11-Feb-16 21:34
It took 100 years to discover what Einstein already knew 289 David L 12-Feb-16 12:50
Re: It took 100 years to discover what Einstein already knew 377 Spiros 12-Feb-16 17:09
Re: It took 100 years to discover what Einstein already knew 442 D-Archer 15-Feb-16 12:47
Re: It took 100 years to discover what Einstein already knew 451 Aine 15-Feb-16 16:15
Re: It took 100 years to discover what Einstein already knew 403 D-Archer 15-Feb-16 18:53
Re: It took 100 years to discover what Einstein already knew 423 laughin 15-Feb-16 20:39
Re: It took 100 years to discover what Einstein already knew 363 Aine 16-Feb-16 01:48
Re: gravity waves "detected" 491 dong 12-Feb-16 18:36
Re: gravity waves "detected" 485 laughin 13-Feb-16 03:26
Re: gravity waves "detected" 405 dong 16-Feb-16 07:41
Liego 400 laughin 15-Feb-16 04:17
Gravity Waves of Propaganda the Sequel 393 D-Archer 15-Feb-16 09:48
Re: gravity waves "detected" 472 skakos 15-Feb-16 12:58
Re: gravity waves "detected" 440 Aine 15-Feb-16 22:31
Re: gravity waves "detected" 311 carolb 16-Feb-16 00:57
Re: gravity waves "detected" 391 D-Archer 16-Feb-16 11:47
Re: gravity waves "detected" 526 carolb 16-Feb-16 12:32
Re: gravity waves "detected" 344 D-Archer 16-Feb-16 14:13
Re: gravity waves "detected" 359 carolb 16-Feb-16 14:42
Re: gravity waves "detected" 331 D-Archer 16-Feb-16 15:17
Re: gravity waves "detected" 460 carolb 16-Feb-16 16:27
Re: gravity waves "detected" 468 D-Archer 17-Feb-16 14:08
Really? 362 Sirfiroth 17-Feb-16 15:11
Re: Really? 465 JonnyMcA 17-Feb-16 15:32
Re: Really? 454 D-Archer 17-Feb-16 15:42
Re: gravity waves "detected" 457 carolb 17-Feb-16 18:05
mods! 410 D-Archer 18-Feb-16 11:13
Re: mods! 494 carolb 18-Feb-16 14:14
Re: mods! 493 D-Archer 18-Feb-16 16:02
Re: gravity waves "detected" 571 Sirfiroth 17-Feb-16 01:06
Re: gravity waves "detected" 391 Aine 17-Feb-16 14:48
Re: gravity waves "detected" 435 JonnyMcA 17-Feb-16 15:19
Re: gravity waves "detected" 323 Sirfiroth 17-Feb-16 15:39
Re: gravity waves "detected" 398 JonnyMcA 17-Feb-16 17:37
Re: gravity waves "detected" 486 Aine 17-Feb-16 18:49
Re: gravity waves "detected" 434 laughin 16-Feb-16 20:24
Re: gravity waves "detected" 281 D-Archer 17-Feb-16 16:23
Gravy Waves 596 D-Archer 20-Feb-16 11:39
Playing devil’s advocate on the discovery of gravitational waves 542 laughin 02-Mar-16 18:23
Scientists: we're 100% convinced 367 laughin 07-Mar-16 17:13
Black holes and big bangs can't co-exist 466 laughin 13-Mar-16 04:52
Re: gravity waves "detected" 403 brett z 20-Apr-16 23:42
Re: gravity waves "detected" 412 laughin 21-Apr-16 14:02
Re: gravity waves "detected" 327 OCaptain 10-May-16 12:45
Re: gravity waves "detected" 291 laughin 10-May-16 13:16
Re: gravity waves "detected" 347 OCaptain 10-May-16 13:21
Re: gravity waves "detected" 393 laughin 10-May-16 19:25
Re: gravity waves "detected" 506 OCaptain 10-May-16 22:56
Re: gravity waves "detected" 407 laughin 11-May-16 15:32
Re: gravity waves "detected" 505 JonnyMcA 11-May-16 16:53
Re: gravity waves "detected" 503 laughin 12-May-16 16:26
pompousness "detected" 442 laughin 18-May-16 15:25
bump- 2 weeks 542 laughin 27-May-16 15:02
Re: bump- 3 weeks 481 laughin 02-Jun-16 23:20
Re: bump- 4 weeks and why isn't Carolb patrolling the threads 473 laughin 10-Jun-16 15:42
Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 457 laughin 04-May-16 13:15
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 464 D-Archer 09-May-16 19:05
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 282 OCaptain 10-May-16 12:46
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 494 laughin 10-May-16 13:27
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 335 OCaptain 10-May-16 16:39
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 388 laughin 10-May-16 19:10
how many times can you change the rules and still get a black hole 382 laughin 08-Jun-16 14:00
LIGO press conf, June 15 423 brett z 15-Jun-16 11:53
Re: LIGO press conf, June 15 408 D-Archer 15-Jun-16 14:48


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