Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    Name or NavList Code:
    Email:
       
    Reply
    Re: thule greenland
    From: Fred Hebard
    Date: 2006 Aug 30, 21:56 -0500

    Yes, that's correct.  It doesn't get very high, however, because of 
    the latitude, and is too dim to burn through much of a cloud layer.  
    When it's full, it gets highest around 12 midnight or thereabouts.

    Fred

    On Aug 30, 2006, at 6:23 PM, coralline algae wrote:

    > Assuming a visible full moon in thule, greenland
    > then it will be above the horizon  most of the days hours
    > even though the sun itself never rises.   In the perpetual
    > darkness of winter near the poles, the full moon provides
    > a partial respite.    Actually this is a guess on my part
    > but then the logic seems sound.
    >
    >
    > On 8/30/06, Bill Noyce < wbnoyce@gmail.com> wrote:
    > My bedroom window faces south, and I've often been struck by
    > how high the full moon gets in the winter.  Since it stays near the
    > ecliptic, the winter full moon will have a declination near that of
    > the summer sun, and vice versa, as Fred points out.  First and
    > last quarter moon on the solstices should be near zero declination.
    >     -- Bill
    >
    > On 8/29/06, Fred Hebard <Fred@acf.org> wrote:
    > >
    > > It depends on the phase of the moon.  When it's opposite the sun,
    > > full, it's declination is approximately the inverse of the sun's
    > > declination.  For instance, on June 21 (summer solstice), the sun is
    > > at approximately 23 N and the moon at approximately 23 S, if the 
    > moon
    > > is full on that date.  Clearly, inverse is not the correct term for
    > > this relationship, but....
    > >
    > > Fred
    > >
    > > On Aug 29, 2006, at 2:29 PM, coralline algae wrote:
    > >
    > > > I am reading through a book  -  The Last Kings of Thule by Jean
    > > > Malaurie
    > > > about his time in a small encampment north of thule, greenland
    > > > around 1950.
    > > > While reading through a passage concerning travel during the
    > > > wintertime
    > > > and the darkness there was mention of the moon providing some 
    > light.
    > > >
    > > > Assumptions on my part:
    > > > during the summer with the long daylight the moon isnt much of a
    > > > factor
    > > > during the winter the moon may be the only light visible other 
    > than
    > > > starlight.
    > > > If the ecliptic is tilted such that the sun never rises in the
    > > > winter, then wouldnt
    > > > it also be the case that the moon never rises or only slightly
    > > > above the horizon
    > > > in winter?   If that is the case that means the winter darkness is
    > > > even more total.
    > > > Malaurie point out in the book that during the winter a type of
    > > > depression
    > > > overcomes some of the inuit and even the dogs.
    > > >
    > > > >
    > >
    > >
    > > >
    > >
    >
    >
    > >


    --~--~---------~--~----~------------~-------~--~----~
    To post to this group, send email to NavList@fer3.com
    To , send email to NavList-@fer3.com
    -~----------~----~----~----~------~----~------~--~---

       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Get a NavList ID Code

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    A NavList ID Code guarantees your identity in NavList posts and allows faster posting of messages.

    Retrieve a NavList ID Code

    Enter the email address associated with your NavList messages. Your NavList code will be emailed to you immediately.
    Email:

    Email Settings

    NavList ID Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site