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From: Dickson, Dana A. <dana.dickson_at_unisys.com>
subject: [Paddlewise] Midnight Sun Navigatio Question
Date: Wed, 21 Jul 1999 12:43:07 -0500
Yesterday I was in a discussion with someone who claimed that in the summer
above the artic circle the sun traverses the northern horizon.  I thought it
should be traversing to the south.  Can any of the northern Paddlewisers
answer the question?  My expectation is that the sun would appear to travel
from east to west, low to the southern horizion at Midnight and high at
Noon.

Curious minds want to know.

Dana Dickson
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From: Bob Myers <bob_at_intelenet.net>
subject: Re: [Paddlewise] Midnight Sun Navigatio Question
Date: Wed, 21 Jul 1999 10:58:50 -0700
On Jul 21, 12:43, "Dickson, Dana A." wrote:
} Subject: [Paddlewise] Midnight Sun Navigatio Question
> Yesterday I was in a discussion with someone who claimed that in the summer
> above the artic circle the sun traverses the northern horizon.  I thought it
> should be traversing to the south.  Can any of the northern Paddlewisers
> answer the question?  My expectation is that the sun would appear to travel
> from east to west, low to the southern horizion at Midnight and high at
> Noon.
> 
> Curious minds want to know.

Northern horizon is correct.

If you can, get ahold of a globe.  Or just think really hard about one.

Tilt the axis a little, then look at where the sun would be from areas
above the arctic circle.  You'll see that the north pole passes between
points above the arctic circle and the sun.


-- 
Bob Myers                          InteleNet Communications, Inc.
Email: bob_at_InteleNet.net           18101 Von Karman Avenue, Suite 550
Phone: 949-851-8250 x227           Irvine, CA 92612
Fax:   949-851-1088                http://www.intelenet.net/

InteleNet Communications is a subsidiary of FirstWorld Communications, Inc.
http://www.firstworld.com/
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From: D. Key <dtheman_at_u.washington.edu>
subject: Re: [Paddlewise] Midnight Sun Navigatio Question
Date: Wed, 21 Jul 1999 11:59:00 -0700 (PDT)
In the arctic (north) in the summer, my experience is that the sun appears
to travel around you once every 24 hours.  It is high in the southern
horizon at noon and low on the northern at midnight. I don't understand
how it can stay on one horizon if you are continually spinning.


-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Daniel Key
Mechanical Engineering, University of Washington
dtheman_at_u.washington.edu
(206) 729-7809
http://students.washington.edu/dtheman
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-



On Wed, 21 Jul 1999, Bob Myers wrote:

> On Jul 21, 12:43, "Dickson, Dana A." wrote:
> } Subject: [Paddlewise] Midnight Sun Navigatio Question
> > Yesterday I was in a discussion with someone who claimed that in the summer
> > above the artic circle the sun traverses the northern horizon.  I thought it
> > should be traversing to the south.  Can any of the northern Paddlewisers
> > answer the question?  My expectation is that the sun would appear to travel
> > from east to west, low to the southern horizion at Midnight and high at
> > Noon.
> > 
> > Curious minds want to know.
> 
> Northern horizon is correct.
> 
> If you can, get ahold of a globe.  Or just think really hard about one.
> 
> Tilt the axis a little, then look at where the sun would be from areas
> above the arctic circle.  You'll see that the north pole passes between
> points above the arctic circle and the sun.
> 
> 
> -- 
> Bob Myers                          InteleNet Communications, Inc.
> Email: bob_at_InteleNet.net           18101 Von Karman Avenue, Suite 550
> Phone: 949-851-8250 x227           Irvine, CA 92612
> Fax:   949-851-1088                http://www.intelenet.net/
> 
> InteleNet Communications is a subsidiary of FirstWorld Communications, Inc.
> http://www.firstworld.com/
> ***************************************************************************
> PaddleWise Paddling Mailing List
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> Subscriptions:   paddlewise-request_at_lists.intelenet.net
> Website:         http://www.paddlewise.net/
> ***************************************************************************
> 

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From: Alex Ferguson <a.ferguson_at_chem.canterbury.ac.nz>
subject: Re: [Paddlewise] Midnight Sun Navigatio Question
Date: Thu, 22 Jul 1999 09:04:21 +1200
At 12:43 pm 21/07/99 -0500, you wrote:
>Yesterday I was in a discussion with someone who claimed that in the summer
>above the artic circle the sun traverses the northern horizon.  I thought it
>should be traversing to the south.  Can any of the northern Paddlewisers
>answer the question?

It happens in the southern hemisphere too, only opposite (still rises in
the east though).

>My expectation is that the sun would appear to travel
>from east to west, low to the southern horizion at Midnight and high at
>Noon.
>
>Curious minds want to know.
>
>Dana Dickson

1.) The sun and everything else will always be to the south of you if you
are standing at the North Pole.

2.) If you are not standing at the north pole it is possible to look north.

3.) The sun follows the horizon and is visible for 24 hours (you're north
of the Arctic Circle in summer) Therefore the sun can be north or south of
you dependant on the time of day.

Alex
Alex (Sandy) Ferguson
Chemistry Department
University of Canterbury
New Zealand
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