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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" 1433 laughin 11-Feb-16 16:34
Re: gravity waves "detected" 472 Susan Doris 11-Feb-16 17:44
Re: gravity waves "detected" 372 Sirius7237 11-Feb-16 18:30
Re: gravity waves "detected" 451 laughin 11-Feb-16 21:20
Re: gravity waves "detected" 370 JonnyMcA 12-Feb-16 14:23
Re: gravity waves "detected" 412 laughin 12-Feb-16 15:51
Re: gravity waves "detected" 262 JonnyMcA 12-Feb-16 16:31
Re: gravity waves "detected" 369 laughin 13-Feb-16 18:26
Re: gravity waves "detected" 422 JonnyMcA 13-Feb-16 18:41
Re: gravity waves "detected" 450 Me 15-Feb-16 15:57
Re: gravity waves "detected" 345 laughin 15-Feb-16 20:17
Re: gravity waves "detected" 383 carolb 13-Feb-16 21:53
Re: gravity waves "detected" 285 D-Archer 14-Feb-16 11:16
Re: gravity waves "detected" 311 carolb 14-Feb-16 14:54
Re: gravity waves "detected" 294 Sirius7237 14-Feb-16 20:08
Re: gravity waves "detected" 402 carolb 14-Feb-16 22:31
Re: gravity waves "detected" 404 Aine 15-Feb-16 16:20
Re: gravity waves "detected" 326 D-Archer 15-Feb-16 09:59
Re: gravity waves "detected" 312 JonnyMcA 12-Feb-16 14:31
Re: gravity waves "detected" 350 carolb 13-Feb-16 21:29
Re: gravity waves "detected" 278 laughin 14-Feb-16 15:19
Re: gravity waves "detected" 205 skakos 15-Feb-16 14:07
Re: gravity waves "detected" 301 Pete Vanderzwet 11-Feb-16 21:06
Re: gravity waves "detected" 413 JonnyMcA 12-Feb-16 14:38
Onto Dark Energy waves! 352 Eddie Larry 11-Feb-16 21:34
It took 100 years to discover what Einstein already knew 219 David L 12-Feb-16 12:50
Re: It took 100 years to discover what Einstein already knew 297 Spiros 12-Feb-16 17:09
Re: It took 100 years to discover what Einstein already knew 362 D-Archer 15-Feb-16 12:47
Re: It took 100 years to discover what Einstein already knew 374 Aine 15-Feb-16 16:15
Re: It took 100 years to discover what Einstein already knew 326 D-Archer 15-Feb-16 18:53
Re: It took 100 years to discover what Einstein already knew 348 laughin 15-Feb-16 20:39
Re: It took 100 years to discover what Einstein already knew 288 Aine 16-Feb-16 01:48
Re: gravity waves "detected" 404 dong 12-Feb-16 18:36
Re: gravity waves "detected" 384 laughin 13-Feb-16 03:26
Re: gravity waves "detected" 323 dong 16-Feb-16 07:41
Liego 331 laughin 15-Feb-16 04:17
Gravity Waves of Propaganda the Sequel 307 D-Archer 15-Feb-16 09:48
Re: gravity waves "detected" 409 skakos 15-Feb-16 12:58
Re: gravity waves "detected" 364 Aine 15-Feb-16 22:31
Re: gravity waves "detected" 225 carolb 16-Feb-16 00:57
Re: gravity waves "detected" 310 D-Archer 16-Feb-16 11:47
Re: gravity waves "detected" 407 carolb 16-Feb-16 12:32
Re: gravity waves "detected" 272 D-Archer 16-Feb-16 14:13
Re: gravity waves "detected" 277 carolb 16-Feb-16 14:42
Re: gravity waves "detected" 260 D-Archer 16-Feb-16 15:17
Re: gravity waves "detected" 348 carolb 16-Feb-16 16:27
Re: gravity waves "detected" 384 D-Archer 17-Feb-16 14:08
Really? 262 Sirfiroth 17-Feb-16 15:11
Re: Really? 381 JonnyMcA 17-Feb-16 15:32
Re: Really? 362 D-Archer 17-Feb-16 15:42
Re: gravity waves "detected" 393 carolb 17-Feb-16 18:05
mods! 324 D-Archer 18-Feb-16 11:13
Re: mods! 413 carolb 18-Feb-16 14:14
Re: mods! 388 D-Archer 18-Feb-16 16:02
Re: gravity waves "detected" 506 Sirfiroth 17-Feb-16 01:06
Re: gravity waves "detected" 327 Aine 17-Feb-16 14:48
Re: gravity waves "detected" 363 JonnyMcA 17-Feb-16 15:19
Re: gravity waves "detected" 253 Sirfiroth 17-Feb-16 15:39
Re: gravity waves "detected" 307 JonnyMcA 17-Feb-16 17:37
Re: gravity waves "detected" 402 Aine 17-Feb-16 18:49
Re: gravity waves "detected" 355 laughin 16-Feb-16 20:24
Re: gravity waves "detected" 203 D-Archer 17-Feb-16 16:23
Gravy Waves 499 D-Archer 20-Feb-16 11:39
Playing devil’s advocate on the discovery of gravitational waves 447 laughin 02-Mar-16 18:23
Scientists: we're 100% convinced 289 laughin 07-Mar-16 17:13
Black holes and big bangs can't co-exist 387 laughin 13-Mar-16 04:52
Re: gravity waves "detected" 315 brett z 20-Apr-16 23:42
Re: gravity waves "detected" 331 laughin 21-Apr-16 14:02
Re: gravity waves "detected" 246 OCaptain 10-May-16 12:45
Re: gravity waves "detected" 186 laughin 10-May-16 13:16
Re: gravity waves "detected" 261 OCaptain 10-May-16 13:21
Re: gravity waves "detected" 303 laughin 10-May-16 19:25
Re: gravity waves "detected" 436 OCaptain 10-May-16 22:56
Re: gravity waves "detected" 315 laughin 11-May-16 15:32
Re: gravity waves "detected" 392 JonnyMcA 11-May-16 16:53
Re: gravity waves "detected" 419 laughin 12-May-16 16:26
pompousness "detected" 356 laughin 18-May-16 15:25
bump- 2 weeks 457 laughin 27-May-16 15:02
Re: bump- 3 weeks 393 laughin 02-Jun-16 23:20
Re: bump- 4 weeks and why isn't Carolb patrolling the threads 404 laughin 10-Jun-16 15:42
Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 367 laughin 04-May-16 13:15
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 403 D-Archer 09-May-16 19:05
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 193 OCaptain 10-May-16 12:46
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 421 laughin 10-May-16 13:27
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 253 OCaptain 10-May-16 16:39
Re: Gravitational Waves from Black Hole Megamergers Are Weaker Than Predicted 323 laughin 10-May-16 19:10
how many times can you change the rules and still get a black hole 305 laughin 08-Jun-16 14:00
LIGO press conf, June 15 331 brett z 15-Jun-16 11:53
Re: LIGO press conf, June 15 334 D-Archer 15-Jun-16 14:48


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