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-----Original Message-----
From: Phys-l [mailto:phys-l-bounces@phys-l.org] On Behalf Of Bernard
Cleyet
Sent: Friday, August 23, 2013 1:05 PM
To: Phys-L@Phys-L.org
Subject: Re: [Phys-L] Where is the sky?
On 2013, Aug 23, , at 09:31, Bill Nettles <bnettles@uu.edu> wrote:
And Venus takes on a reddish hue as it rises or sets, as the shorterwavelengths are scattered more by the longer atmospheric path.
but the moon not, except during lunar eclipses. Does the "size" make the
difference?
bc ignorant.
scattering sunlight into your eyes.-----Original Message-----
From: Phys-l [mailto:phys-l-bounces@phys-l.org] On Behalf Of Bruce
Sherwood
Sent: Thursday, August 22, 2013 2:42 PM
To: Phys-L@Phys-L.org
Subject: Re: [Phys-L] Where is the sky?
I'll point out that distant mountains, which provide a dark
background that makes the effect visible, look bluish presumably
because the many miles of air between you and the mountains are
It's not fog, because the ridgelines are sharp. Note that 20 miles of
sea-level air between you and the mountains will give a lot of scattering.
Bruce
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