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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 ā€” for the first time ā€” 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 ā€” 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" 1447 laughin 11-Feb-16 16:34
Re: gravity waves "detected" 487 Susan Doris 11-Feb-16 17:44
Re: gravity waves "detected" 380 Sirius7237 11-Feb-16 18:30
Re: gravity waves "detected" 473 laughin 11-Feb-16 21:20
Re: gravity waves "detected" 392 JonnyMcA 12-Feb-16 14:23
Re: gravity waves "detected" 423 laughin 12-Feb-16 15:51
Re: gravity waves "detected" 280 JonnyMcA 12-Feb-16 16:31
Re: gravity waves "detected" 382 laughin 13-Feb-16 18:26
Re: gravity waves "detected" 432 JonnyMcA 13-Feb-16 18:41
Re: gravity waves "detected" 481 Me 15-Feb-16 15:57
Re: gravity waves "detected" 354 laughin 15-Feb-16 20:17
Re: gravity waves "detected" 393 carolb 13-Feb-16 21:53
Re: gravity waves "detected" 295 D-Archer 14-Feb-16 11:16
Re: gravity waves "detected" 318 carolb 14-Feb-16 14:54
Re: gravity waves "detected" 303 Sirius7237 14-Feb-16 20:08
Re: gravity waves "detected" 412 carolb 14-Feb-16 22:31
Re: gravity waves "detected" 423 Aine 15-Feb-16 16:20
Re: gravity waves "detected" 345 D-Archer 15-Feb-16 09:59
Re: gravity waves "detected" 321 JonnyMcA 12-Feb-16 14:31
Re: gravity waves "detected" 364 carolb 13-Feb-16 21:29
Re: gravity waves "detected" 286 laughin 14-Feb-16 15:19
Re: gravity waves "detected" 214 skakos 15-Feb-16 14:07
Re: gravity waves "detected" 312 Pete Vanderzwet 11-Feb-16 21:06
Re: gravity waves "detected" 424 JonnyMcA 12-Feb-16 14:38
Onto Dark Energy waves! 372 Eddie Larry 11-Feb-16 21:34
It took 100 years to discover what Einstein already knew 227 David L 12-Feb-16 12:50
Re: It took 100 years to discover what Einstein already knew 311 Spiros 12-Feb-16 17:09
Re: It took 100 years to discover what Einstein already knew 377 D-Archer 15-Feb-16 12:47
Re: It took 100 years to discover what Einstein already knew 385 Aine 15-Feb-16 16:15
Re: It took 100 years to discover what Einstein already knew 337 D-Archer 15-Feb-16 18:53
Re: It took 100 years to discover what Einstein already knew 358 laughin 15-Feb-16 20:39
Re: It took 100 years to discover what Einstein already knew 299 Aine 16-Feb-16 01:48
Re: gravity waves "detected" 422 dong 12-Feb-16 18:36
Re: gravity waves "detected" 397 laughin 13-Feb-16 03:26
Re: gravity waves "detected" 335 dong 16-Feb-16 07:41
Liego 340 laughin 15-Feb-16 04:17
Gravity Waves of Propaganda the Sequel 317 D-Archer 15-Feb-16 09:48
Re: gravity waves "detected" 418 skakos 15-Feb-16 12:58
Re: gravity waves "detected" 374 Aine 15-Feb-16 22:31
Re: gravity waves "detected" 235 carolb 16-Feb-16 00:57
Re: gravity waves "detected" 322 D-Archer 16-Feb-16 11:47
Re: gravity waves "detected" 432 carolb 16-Feb-16 12:32
Re: gravity waves "detected" 280 D-Archer 16-Feb-16 14:13
Re: gravity waves "detected" 291 carolb 16-Feb-16 14:42
Re: gravity waves "detected" 270 D-Archer 16-Feb-16 15:17
Re: gravity waves "detected" 369 carolb 16-Feb-16 16:27
Re: gravity waves "detected" 401 D-Archer 17-Feb-16 14:08
Really? 284 Sirfiroth 17-Feb-16 15:11
Re: Really? 392 JonnyMcA 17-Feb-16 15:32
Re: Really? 375 D-Archer 17-Feb-16 15:42
Re: gravity waves "detected" 401 carolb 17-Feb-16 18:05
mods! 340 D-Archer 18-Feb-16 11:13
Re: mods! 426 carolb 18-Feb-16 14:14
Re: mods! 401 D-Archer 18-Feb-16 16:02
Re: gravity waves "detected" 516 Sirfiroth 17-Feb-16 01:06
Re: gravity waves "detected" 335 Aine 17-Feb-16 14:48
Re: gravity waves "detected" 372 JonnyMcA 17-Feb-16 15:19
Re: gravity waves "detected" 262 Sirfiroth 17-Feb-16 15:39
Re: gravity waves "detected" 320 JonnyMcA 17-Feb-16 17:37
Re: gravity waves "detected" 414 Aine 17-Feb-16 18:49
Re: gravity waves "detected" 366 laughin 16-Feb-16 20:24
Re: gravity waves "detected" 212 D-Archer 17-Feb-16 16:23
Gravy Waves 518 D-Archer 20-Feb-16 11:39
Playing devilā€™s advocate on the discovery of gravitational waves 465 laughin 02-Mar-16 18:23
Scientists: we're 100% convinced 300 laughin 07-Mar-16 17:13
Black holes and big bangs can't co-exist 403 laughin 13-Mar-16 04:52
Re: gravity waves "detected" 326 brett z 20-Apr-16 23:42
Re: gravity waves "detected" 341 laughin 21-Apr-16 14:02
Re: gravity waves "detected" 255 OCaptain 10-May-16 12:45
Re: gravity waves "detected" 204 laughin 10-May-16 13:16
Re: gravity waves "detected" 270 OCaptain 10-May-16 13:21
Re: gravity waves "detected" 322 laughin 10-May-16 19:25
Re: gravity waves "detected" 449 OCaptain 10-May-16 22:56
Re: gravity waves "detected" 327 laughin 11-May-16 15:32
Re: gravity waves "detected" 410 JonnyMcA 11-May-16 16:53
Re: gravity waves "detected" 431 laughin 12-May-16 16:26
pompousness "detected" 367 laughin 18-May-16 15:25
bump- 2 weeks 468 laughin 27-May-16 15:02
Re: bump- 3 weeks 405 laughin 02-Jun-16 23:20
Re: bump- 4 weeks and why isn't Carolb patrolling the threads 420 laughin 10-Jun-16 15:42
Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 378 laughin 04-May-16 13:15
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 411 D-Archer 09-May-16 19:05
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 210 OCaptain 10-May-16 12:46
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 430 laughin 10-May-16 13:27
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 271 OCaptain 10-May-16 16:39
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 333 laughin 10-May-16 19:10
how many times can you change the rules and still get a black hole 314 laughin 08-Jun-16 14:00
LIGO press conf, June 15 341 brett z 15-Jun-16 11:53
Re: LIGO press conf, June 15 345 D-Archer 15-Jun-16 14:48


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