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1)Why does sky appear blue? Explain in simply words. 2) Why sun appears redish at sunrise or sunset?

1)Why does sky appear blue? Explain in simply words.
2) Why sun appears redish at sunrise or sunset?
 

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3 Answers

Arun
25757 Points
4 years ago
Dear student
 
Please ask only one question in one thread.
 
Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time
Arun
25757 Points
4 years ago
During sunrise and sunset, the rays have to travel a larger part of the atmosphere because they are very close to the horizon. Therefore, light other than red is mostly scattered away. Most of the red light, which is the least scattered, enters our eyes. Hence, the sun and the sky appear red
Khimraj
3007 Points
4 years ago
A  clear cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more than they scatter red light.  When we look towards the sun at sunset, we see red and orange colours because the blue light has been scattered out and away from the line of sight.

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