Talk:Supermoon: Difference between revisions
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The explanation of why the frequency is about 14 months has been removed, presumably because the [[beat (acoustics)]] article that was being linked to only talks about sound waves. The mathematical principle is the same, however, so I'm not sure if there is a better alternative. The only other one I can find that might apply is [[interference (wave propagation)]], but this article only mentions adding waves "of the same frequency and amplitude", which is not really what we want here. --[[User:Lasunncty|Lasunncty]] ([[User talk:Lasunncty|talk]]) 08:43, 11 February 2018 (UTC) |
The explanation of why the frequency is about 14 months has been removed, presumably because the [[beat (acoustics)]] article that was being linked to only talks about sound waves. The mathematical principle is the same, however, so I'm not sure if there is a better alternative. The only other one I can find that might apply is [[interference (wave propagation)]], but this article only mentions adding waves "of the same frequency and amplitude", which is not really what we want here. --[[User:Lasunncty|Lasunncty]] ([[User talk:Lasunncty|talk]]) 08:43, 11 February 2018 (UTC) |
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== Subject unclear in Definitions section == |
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<blockquote> |
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The came up with the name while reading “Strategic Role Of Perigean Spring Tides in Nautical History and Coastal Flooding” published in 1976 by NOAA Hydrologist Fergus Wood. |
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</blockquote> |
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"The" at the beginning of this sentence seems wrong. I'm unsure if the original intent was "He" or "They". [[User:Tobarja|Tobarja]] ([[User talk:Tobarja|talk]]) 16:26, 2 February 2018 (UTC) |
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Frequency
This section has been removed because it is unreferenced original research, and incomplete at that.
Additionally, there was no indication that this research took into account the fact that full moon's that occur near perigee per Nolle's definition (the closest thing to official we have) and its arbitrary selection of 90% of closest perigee to Earth in a solar year. This second is incomplete since the difference between perigees and apogees yearly extreme vary by 49k-50k, the frequency of "supermoon" is not only impacted by the natural variation in the length of a lunar month but that same precession affects apsis. But this too is original research and inappropriate for inclusion as a result. The arbitrary selection of calculating based on 90% of the delta of yearly extremes in Nolle's definition make discussion of frequency solely in terms of precession moot.
Bottom line, let's leave this aspect of the topic alone until it's covered in a reliable source that can be referenced.--MadeYourReadThis (talk) 13:29, 8 January 2018 (UTC)
- I have restored one detail that is covered in the Espenak reference. --Lasunncty (talk) 12:22, 15 January 2018 (UTC)
The explanation of why the frequency is about 14 months has been removed, presumably because the beat (acoustics) article that was being linked to only talks about sound waves. The mathematical principle is the same, however, so I'm not sure if there is a better alternative. The only other one I can find that might apply is interference (wave propagation), but this article only mentions adding waves "of the same frequency and amplitude", which is not really what we want here. --Lasunncty (talk) 08:43, 11 February 2018 (UTC)