Article View: sci.physics
Article #1028Re: Blue Sky at Night
From: David Knapp
Date: Mon, 10 Aug 1992 20:11
Date: Mon, 10 Aug 1992 20:11
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1381 bytes
In article <93291@bu.edu> tvaughan@buphyk.bu.edu (tvaughan) writes:
>An interesting sidelight to the ongoing blue sky and Olbers' paradox
>discussion is the fact that the night sky is almost exactly the same
>color as the daytime sky, only much dimmer. The reason for this is that
>moonlight has almost the same spectral composition as sunlight.
Eh?
Can you tell me where I can see the spectral distribution of moonlight
being the same as solar? There is little or no UV in the moon's reflected
spectrum.
>Long-exposure photos of the night sky verify this quite dramatically.
>See, for instance, _Rainbows, Halos, and Glories_ by Greenler.
>
>Tim
>
--
David Knapp University of Colorado, Boulder
Highly Opinionated, Aging and knapp@spot.colorado.edu
Perpetual Student of Chemistry and Physics.
Write me for an argument on your favorite subject.
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Newsgroups: sci.physics Path: arc1-ca.pugleaf.net!sparky!uunet!boulder!ucsu!spot.Colorado.EDU!knapp From: knapp@spot.Colorado.EDU (David Knapp) Subject: Re: Blue Sky at Night Message-ID: <1992Aug10.201138.29291@ucsu.Colorado.EDU> Sender: news@ucsu.Colorado.EDU (USENET News System) Nntp-Posting-Host: spot.colorado.edu Organization: University of Colorado, Boulder References: <93291@bu.edu> Date: Mon, 10 Aug 1992 20:11:38 GMT Lines: 25