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Retroreflectors were placed on the moon by the Apollo 11, 14, and 15 missions, and also by two Russian lander rovers (Lunokhod 1 & 2). Scientists bounce lasers off these reflectors even up to today to determine the small changes in the distance between the moon and the Earth. There are more than 40 years of documented measurements. One of the interesting things this has determined is that the understood tidal dissipation in the Earth/Moon system does not correlate to the predicated age of the Moon's orbit.

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Subject Views Written By Posted
To the moon and back... 3704 Racho 04-Jan-18 08:09
Re: To the moon and back... 476 Thunderbird 06-Jan-18 18:10
Grissom and the horrible 'accident' 451 Racho 07-Jan-18 08:08
Re: They went around the Moon Apollo 8 391 molder 17-Jan-18 12:20
Re: They went around the Moon Apollo 8 367 Racho 17-Jan-18 20:31
Re: They went around the Moon Apollo 8 363 molder 18-Jan-18 11:26
Re: They went around the Moon Apollo 8 364 Racho 18-Jan-18 17:52
Re: They went around the Moon Apollo 10 380 molder 19-Jan-18 11:30
Making up ones mind... 352 Racho 21-Jan-18 21:45
Re: Making up ones mind... 444 molder 21-Jan-18 22:53
Re: Making up ones mind... 317 Thunderbird 08-Mar-18 17:19
Re: To the moon and back... 333 Race Jackson 07-Mar-18 18:51
Re: To the moon and back... 318 Racho 07-Mar-18 20:04
Re: To the moon and back... 327 carolb 07-Mar-18 20:29
Re: To the moon and back... 319 Race Jackson 08-Mar-18 15:22
Re: To the moon and back... 316 carolb 08-Mar-18 15:38
Re: No Man placed a reflector on the Moon 332 Thunderbird 08-Mar-18 01:42
Re: No Man placed a reflector on the Moon 336 carolb 08-Mar-18 01:58
At least admit the truth of the matter Carol 355 Racho 08-Mar-18 03:22
I do hope for a reply...either from you or others re: Van Allen belt 349 Racho 08-Mar-18 04:23
Re: Size matters 312 Thunderbird 08-Mar-18 17:44
Re: To the moon and back... 306 Race Jackson 08-Mar-18 20:57
Re: Apollo 11 to the Moon.....Nope.....not happening : ) 340 Thunderbird 08-Mar-18 21:46
Re: To the moon and back... 312 ldennyjr 28-Mar-18 21:59
cardboard airlock doors... 308 Racho 29-Mar-18 01:20
Re: To the moon and back... 303 Race Jackson 29-Mar-18 21:59
Direct question then (not that I haven't posed any before ...) 315 Racho 30-Mar-18 06:49
Re: Direct question then (not that I haven't posed any before ...) 313 ldennyjr 30-Mar-18 21:03
Simple science question? Does AC even work in the vaccum of space...? 308 Racho 01-Apr-18 01:01
Re: NASA is Occult/FreeMasonic deception and Propoganda 304 Thunderbird 02-Apr-18 18:12
Re: NASA is Occult/FreeMasonic deception and Propoganda 273 Race Jackson 03-Apr-18 16:09
Windows matter... 351 Racho 05-Apr-18 01:00
Re: Windows matter... 378 Dr. Troglodyte 05-Apr-18 21:45
Re: Windows matter... 310 ldennyjr 06-Apr-18 02:01
Re: lol!.....the Smithsonian magazine 336 Thunderbird 08-Apr-18 00:52
Re: Eyes wide open... 343 Thunderbird 08-Apr-18 01:14
Re: Simple science question? Does AC even work in the vaccum of space...? 279 Race Jackson 03-Apr-18 16:15
Re: Simple science question? Does AC even work in the vaccum of space...? 281 ldennyjr 03-Apr-18 17:17
Re: Simple science question? Does AC even work in the vaccum of space...? 281 Racho 03-Apr-18 18:33
Re: Simple science question? Does AC even work in the vaccum of space...? 281 ldennyjr 03-Apr-18 20:17
Re: Simple science question? Does AC even work in the vaccum of space...? 298 Racho 03-Apr-18 21:03
Re: Simple science question? Does AC even work in the vaccum of space...? 289 ldennyjr 04-Apr-18 00:47
Re: Simple science question? Does AC even work in the vaccum of space...? 324 carolb 04-Apr-18 01:09
As a heavy machinist... 308 Racho 04-Apr-18 06:35
Re: As a heavy machinist... 278 ldennyjr 04-Apr-18 22:38
So what? 287 Racho 04-Apr-18 23:28
Re: So what? 296 ldennyjr 05-Apr-18 13:40
Re: So what? 590 ldennyjr 11-Apr-18 13:37
Re: As a heavy machinist... 318 carolb 05-Apr-18 15:04
Re: Simple science question? Does AC even work in the vaccum of space...? 290 WhoWeird 03-Apr-18 21:37
Re: Simple science question? Does AC even work in the vaccum of space...? 284 Racho 03-Apr-18 21:39
Re: To the moon and back... 313 Race Jackson 30-Mar-18 16:20
Re: To the moon and back... 287 Race Jackson 04-Apr-18 21:52
Re: To the moon and back... 282 ldennyjr 06-Apr-18 17:28
Re: To the moon and back... 334 carolb 06-Apr-18 19:01


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