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Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters

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Lunar Laser Ranging experiment
> https://en.wikipedia.org/wiki/Lunar_Laser_Ranging_experiment


> The ongoing Lunar Laser Ranging Experiment measures the distance
> between the Earth and the Moon using laser ranging. Lasers on Earth
> are aimed at retroreflectors planted on the Moon during the Apollo
> program (11, 14, and 15), and the time for the reflected light to
> return is determined.
>
> The first successful tests were carried out in 1962 when a team from
> the Massachusetts Institute of Technology succeeded in observing
> laser pulses reflected from moon's surface using a laser with a
> millisecond pulse length. Similar measurements were obtained later
> the same year by a Soviet team at the Crimean Astrophysical
> Observatory using a Q-switched ruby laser.[1] Greater accuracy was
> achieved following the installation of a retroreflector array on July
> 21, 1969, by the crew of Apollo 11, and two more retroreflector
> arrays left by the Apollo 14 and Apollo 15 missions have also
> contributed to the experiment. Successful lunar laser range
> measurements to the retroreflectors were first reported by the 3.1 m
> telescope at Lick Observatory, Air Force Cambridge Research
> Laboratories Lunar Ranging Observatory in Arizona, the Pic du Midi
> Observatory in France, the Tokyo Astronomical Observatory, and
> McDonald Observatory in Texas.

> Lunar laser ranging measurement data is available from the Paris
> Observatory Lunar Analysis Center,[8] and the active stations. Some
> of the findings of this long-term experiment are:
>
> The Moon is spiraling away from Earth at a rate of 3.8 cm per
> year.[6] This rate has been described as anomalously high.[9]

> The Moon probably has a liquid core of about 20% of the Moon's
> radius.[3]

> The universal force of gravity is very stable. The experiments have
> constrained the change in Newton's gravitational constant G to
> (2±7)×10−13 per year. [10]

> The likelihood of any "Nordtvedt effect" (a differential acceleration
> of the Moon and Earth towards the Sun caused by their different
> degrees of compactness) has been ruled out to high precision,[11][12]
> strongly supporting the validity of the Strong Equivalence
> Principle.

> Einstein's theory of gravity (the general theory of relativity)
> predicts the Moon's orbit to within the accuracy of the laser ranging
> measurements.[3]



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Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-14 16:05 +0000
  Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Sam Wormley <swormley1@gmail.com> - 2015-08-14 11:20 -0500
    Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-14 16:33 +0000
      Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Lofty Goat <rlwatkins@gmail.com> - 2015-08-14 18:45 -0500
        Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-15 16:43 +0000
          Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Sam Wormley <swormley1@gmail.com> - 2015-08-15 12:08 -0500
          Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters jimp@specsol.spam.sux.com - 2015-08-15 17:18 +0000
            Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-15 19:49 +0000
              Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters jimp@specsol.spam.sux.com - 2015-08-15 20:15 +0000
                Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-15 20:55 +0000
                Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters jimp@specsol.spam.sux.com - 2015-08-15 21:58 +0000
                Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-15 22:18 +0000
                Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-15 22:20 +0000
                Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters jimp@specsol.spam.sux.com - 2015-08-15 22:40 +0000
                Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-15 23:12 +0000
                Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters jimp@specsol.spam.sux.com - 2015-08-15 23:21 +0000
              Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters kefischer <emoneyjoe@iglou.com> - 2015-08-15 16:18 -0400
                Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-15 20:57 +0000
      Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Ignorant Raving Crackpot <ignorantravingcrackpot@gmail.com> - 2015-08-15 04:54 -0700
    Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-14 16:36 +0000
      Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Lofty Goat <rlwatkins@gmail.com> - 2015-08-14 18:47 -0500
        Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-15 16:43 +0000
  Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-14 16:40 +0000
  Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Eteocles Panagakos <eteoclespd@prospernetwork.org> - 2015-08-14 17:31 +0000
  Re: Hoax Retroreflectors: Hoax Busters Busts the Mythbusters Koobee Wublee <koobee.wublee@gmail.com> - 2015-08-14 23:59 -0700

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