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On 28-11-2017 12:28, Bald Eagle wrote:
> Thomas de Groot <tho### [at] degroot org> wrote:
>> However, clouds by
>> themselves are always white/grey (water vapour, remember?). Adding
>> colour makes no sense,
>
> I'd say to be entirely acurate, clouds themselves are colorless, or even more
> accurately - reflect the colors surrounding them.
> The tiny water droplets are clear, as are polar bear hairs, but due to the
> extreme curvature, reflect light back toward the viewer, refract the light, due
> to the ior, and scatter it.
> Rainbows are just lit-up water vapor (and are circular).
>
> I have, for the past year taken much more notice of things "out there" IRL, and
> the clouds are almost _never_ white/grey - they are all manner of pink and
> purple, and orange, red and bluish-gray....
> It depends on the time of day.
Absolutely! Sunlight is a great painter! :-)
>
> Just nitpicking, and "keeping it real". ;)
>
and a welcome thing. ;-)
--
Thomas
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