Question

Advance sunrise and delayed sunset please explain me.​

Answer 1

Answer:

Advanced sunrise and delayed sunset are phenomena caused due to atmospheric refraction. In this the Sun appears to rise early by 2 minutes and set late by 2 minutes. The diagram below shows this phenomenon. When the rays from the Sun hit the atmosphere they get refracted.The Sun appears about two minutes before the actual sunrise and this phenomenon is known as advance sunrise. The Sun remains visible about two minutes after the actual sunset and this phenomenon is known as delayed sunset. The advance sunrise and delayed sunset happen due to atmospheric refraction.

Explanation:

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Answer 2

Answer:-

The sun is visible to us about 2 minutes before the actual sunrise, and about 2 minutes after the actual sunset because of atmospheric refraction. By the actual sunrise, we mean the actual crossing of the Horizon by the Sun.The apparent flattening of the Sun's disc at sunrise and sunset is also due to same phenomenon.

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