Question

why does the sun appar radish at sunset or sunrise​

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.

Answer 2

Answer:

due to refraction the sun appears radish at sunset or sunrise