Question

why is sun is in red colour at sunrise and sunset​

Answer 1

Answer:

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.

Explanation:

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Answer 2

During sunrise temp is low and red colour temp is low .

In evening temp colling down.

red colour temp is low