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I heard about golden hour but today i saw golden and red colored patches in sky even after Sunset. why it happens? and would like to know more about science behind golden hour.

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closed as off-topic by Robert Cartaino May 20 at 14:11

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Questions about Earth science, unless directly related to phenomena observable on other celestials, Solar system in general of which Earth is a part, or as an origin of observational astronomy where its movement, local/global phenomena might affect observations and measurements, is off-topic. For more information, see the meta discussion." – Robert Cartaino
If this question can be reworded to fit the rules in the help center, please edit the question.

    
The "golden hour" is a term used in photography — en.wikipedia.org/wiki/Golden_hour_%28photography%29. While it is caused by the scattering and refraction of light in the atmosphere, this isn't really on topic for a site about astronomical observations and astrophysics. You may want to try the Photography site, or possibly Physics SE. Sorry about the confusion. Good luck! –  Robert Cartaino May 20 at 14:10