Where Does the Green Go at Twilight?

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SUMMARY

The phenomenon of green color in the sky at twilight is often overlooked due to its low intensity and specific viewing conditions. Observers have reported seeing a faint horizontal trail of green in the eastern sky during dusk, although this is not a common occurrence. The intensity of green at twilight is significantly lower than that observed in a rainbow, which raises questions about atmospheric conditions and light scattering. Understanding these factors can enhance the appreciation of twilight colors.

PREREQUISITES
  • Basic knowledge of atmospheric optics
  • Understanding of light scattering principles
  • Familiarity with color perception in natural phenomena
  • Awareness of twilight phases and their characteristics
NEXT STEPS
  • Research atmospheric optics and the Rayleigh scattering effect
  • Explore the science behind color perception in different lighting conditions
  • Study the phases of twilight and their impact on sky colors
  • Investigate the occurrence of green flash phenomena at sunset
USEFUL FOR

Astronomy enthusiasts, educators in atmospheric science, photographers capturing twilight scenes, and anyone interested in the visual effects of light in the sky.

kompabt
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Why is no green color on the sky at twilight??
 
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Maybe you are not looking hard enough or maybe you are not looking at the right time at the right angle. I HAVE seen a horizontal trail of green, although this was at dusk, in the east sky. The stength of this green was not very strong, but it was recognizable.
 
Why is this intensity so low? In the rainbow the green's intensity is much greater.
 

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