Talk:Apollo 12 Passive Seismic Experiment

External links modified
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I have just modified 2 one external links on Apollo 12 Passive Seismic Experiment. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive https://web.archive.org/web/20090501060731/http://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1969-099C-03 to https://nssdc.gsfc.nasa.gov/nmc/experimentDisplay.do?id=1969-099C-03
 * Added archive https://web.archive.org/web/20150906051715/http://www.lpi.usra.edu/lunar/ALSEP/pdf/31111000669349%2Epdf to https://www.lpi.usra.edu/lunar/ALSEP/pdf/31111000669349.pdf

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Cheers.— InternetArchiveBot  (Report bug) 12:07, 16 October 2016 (UTC)

Is the moon technically hollow?
The results of this experiment seem poorly fleshed out by this article. It's like there's *ahem* world-rattling news here buried in the footnotes. Other than the hollow moon theory, is there any possible explanation for why the moon would vibrate longer than a few seconds due to a small impact? Carl.r.larson (talk) 03:47, 18 August 2023 (UTC)