How does the distance comparison between the Sun and Proxima Centauri explain the severity of day/night change?
Answer
The Sun is about 8 light-minutes away, while Proxima Centauri is 4.24 light-years away, resulting in a vast power difference.
The Sun is overwhelmingly brighter; the staggering power difference between the nearby Sun (8 light-minutes away) and the closest star, Proxima Centauri (4.24 light-years away), explains the severe drop in luminous energy at night.
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