Path: csiph.com!weretis.net!feeder8.news.weretis.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Thomas Heger Newsgroups: sci.physics.relativity,sci.physics,alt.atheism Subject: Re: Why is the sky blue? Date: Sat, 25 May 2024 08:04:09 +0200 Lines: 54 Message-ID: References: <6645009F.2136@ix.netcom.com> <_uZ1O.8815$xkI.7448@fx09.iad> <1qtxdaa.q6yhp89t59ulN%nospam@de-ster.demon.nl> <664E2479.650C@ix.netcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: individual.net hHANtc/QpmKeBM9nCvZ8Mgz9lCRH7dTBiKIORZeXjq+P4+Y7To Cancel-Lock: sha1:mSA6lv8zHa/ZGHRT+GK1H4XW3BI= sha256:Hg3Qok5oqfQVtBDhh6RItpuWRyhK/9bdDmkE7XP+Ibs= User-Agent: Mozilla Thunderbird Content-Language: de-DE In-Reply-To: Xref: csiph.com sci.physics.relativity:653896 sci.physics:887729 alt.atheism:3376151 Am Freitag000024, 24.05.2024 um 20:55 schrieb neus: >>>> >>>> See here >>>> >>>> https://de.wikipedia.org/wiki/Blue_Marble#/media/Datei:The_Earth_seen_from_Apollo_17.jpg >>>> >>>> The Earth looks entirely blueish from outside the atmosphere. >>>> >>>> TH >>> >>> Yes, The Earth looks entirely blueish from outside the atmosphere, >>> that is because so >>> >>> one can find the earth if you get lost in out of space. It is Why the >>> sky is blue... >>> >>> The Earth looks entirely blueish from outside the atmosphere. >>> >> >> That means, that the radiation, which hit the atmosphere makes the air >> glow blueish. >> >> Iow: the sky radiates itself, after being hit by something from >> outside the Earth. >> >> If sunlight would be white, the atmopshere should also reflect in >> white and not glow in blue. >> >> >> I don't what actaully makes the atmosphere glow blueish, but assume >> something 'electric' (kind of plasma glow). >> >> >> TH >>> > ---------------------- > > Blue has a short wavelength, and is not blocked like colours of longer > wavelengths. Well, no Blue (or shorter wavelength) is generally less likely to pass through the atmosphere, compared with red. Red is the colour that remains, if all the blue got absorbed. It's a little more complicated, but in general IR passes better through air than UV. TH