Explain and give me an example of “ lookback time “

Lookback time explains that the farther away something is, farther in the past we see it. The Sun's light takes about 8 minutes to reach our eyes. So in reality, we see the Sun as it was 8 minutes ago.

Explanation:

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answer; /// during daylight hours the sun heats up the ground,and at night the clouds insulate the warmth making it warmer ;