Why is morning light so hard and cold and evening light so warm and soft?
I can think of a couple of reasons why the light at sunrise
might be different at the light at sunset.
-
Anthropogenic effects. At the end of
the day the cars and cooking fires and smokestacks have been
going for a while, more so than at the end of the night. So
sunsets might be different from sunrises because we behave
differently during the day than at night.
-
Solar heating effects. At the end of the day the sun has
been heating the ground and air all day. It seems plausible
to me that higher temperatures would lift more tiny
particles higher into the air, where they would cause more
light scattering.
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