[FRIAM] Sunset and Sunrise

[Frank Wimberly]

Try this one, Nick.  It sounds like what you're saying:

http://wxguys.ssec.wisc.edu/2019/12/16/solarday/

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Frank C. Wimberly
140 Calle Ojo Feliz,
Santa Fe, NM 87505

505 670-9918
Santa Fe, NM

On Tue, Dec 29, 2020, 8:18 PM <thompnickson2 at gmail.com> wrote:

> Frank,
>
>
>
> Andl notice another thing.  The sentence is, on its face, nonsense.  The
> tilting of the orbit has nothing to do with its elliptical shape.
>
>
>
> I have tried to figure out the answer to this question for years and the
> only explanation that I have come up with is that during the period from
> early December to early January, the days stay roughly the same length but
> noon moves.  It has to do with the analemma
> <https://www.space.com/3304-earth-closest-sun-dead-winter.html#:~:text=The%20noontime%20position%20of%20the%20Sun%20in%20the,line%20running%20through%20the%20analemma%20is%20the%20meridian.>.
> Notice that the day-to-day path of the highest sun is moving parallel to
> the horizon and perpendicular to the meridian during that period. If you
> think of that moment as “noon”, noon is moving.   But why the analemma?
> Your guess is as good as mine.
>
>
>
> Have you noticed that the rising full moon is moving rapidly up the
> horizon.  By march it will be rising in the NE.
>
>
>
>
>
>
>
> Nicholas Thompson
>
> Emeritus Professor of Ethology and Psychology
>
> Clark University
>
> ThompNickSon2 at gmail.com
>
> https://wordpress.clarku.edu/nthompson/
>
>
>
>
>
> *From:* Friam <friam-bounces at redfish.com> *On Behalf Of *Frank Wimberly
> *Sent:* Tuesday, December 29, 2020 8:48 PM
> *To:* The Friday Morning Applied Complexity Coffee Group <
> friam at redfish.com>
> *Subject:* [FRIAM] Sunset and Sunrise
>
>
>
> This topic came up at a recent meeting.  The word "main" makes me wonder
> what the other reasons are.
>
>
>
> The main reasons for the *earliest* sunset to occur in early December and
> the *latest sunrise* to occur in January are the fact that Earth's axis
> is tilted (23.5°) and Earth's orbit around the sun is *not* a perfect
> circle shape.
>
>
>
> --
>
> Frank Wimberly
> 140 Calle Ojo Feliz
> Santa Fe, NM 87505
> 505 670-9918
>
>
>
> Research:  https://www.researchgate.net/profile/Frank_Wimberly2
> - .... . -..-. . -. -.. -..-. .. ... -..-. .... . .-. .
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